Crab Mishmash - Keen eyes needed.

Messing around with a crab spider build to go blueside, so I don't want any PPP.

Ignoring any issues of cost, thoughts on this build?
Am I missing anything key? Is anything horribly placed? Could I do more with less?
Basically the average goal was to hoverblast at ranged with capped defences, decent resists and good recharge. On paper I think this build meets all that, but I want some thoughts before I actually invest.

Villain Plan by Mids' Villain Designer 1.957
http://www.cohplanner.com/

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Level 50 Natural Arachnos Soldier
Primary Power Set: Crab Spider Soldier
Secondary Power Set: Crab Spider Training
Power Pool: Flight
Power Pool: Leaping
Power Pool: Fighting
Power Pool: Speed

Villain Profile:
Level 1: Channelgun

• (A) Thunderstrike - Accuracy/Damage/Endurance
• (3) Thunderstrike - Accuracy/Damage
• (3) Thunderstrike - Damage/Endurance
• (5) Thunderstrike - Damage/Recharge
• (5) Thunderstrike - Accuracy/Damage/Recharge
• (7) Thunderstrike - Damage/Endurance/Recharge

• (A) Steadfast Protection - Resistance/+Def 3%
• (7) Steadfast Protection - Knockback Protection

• (A) Thunderstrike - Accuracy/Damage
• (9) Thunderstrike - Damage/Endurance
• (9) Thunderstrike - Damage/Recharge
• (11) Thunderstrike - Accuracy/Damage/Recharge
• (11) Thunderstrike - Accuracy/Damage/Endurance
• (13) Thunderstrike - Damage/Endurance/Recharge

• (A) Steadfast Protection - Knockback Protection
• (13) Gladiator's Armor - TP Protection +3% Def (All)

• (A) Luck of the Gambler - Recharge Speed
• (15) Luck of the Gambler - Defense
• (15) Luck of the Gambler - Defense/Endurance
• (17) Shield Wall - +Res (Teleportation), +3% Res (All)

• (A) Positron's Blast - Chance of Damage(Energy)
• (17) Positron's Blast - Damage/Endurance
• (19) Positron's Blast - Accuracy/Damage
• (19) Positron's Blast - Damage/Recharge
• (21) Positron's Blast - Accuracy/Damage/Endurance
• (21) Achilles' Heel - Chance for Res Debuff

• (A) Luck of the Gambler - Recharge Speed
• (23) Luck of the Gambler - Defense/Endurance
• (23) Luck of the Gambler - Defense

• (A) Superior Dominion of Arachnos - Damage/Endurance/Recharge
• (25) Superior Dominion of Arachnos - Damage/Recharge
• (25) Superior Dominion of Arachnos - Accuracy/Damage/Recharge
• (27) Superior Dominion of Arachnos - Recharge/Chance for -Dmg and Terrorize
• (27) Superior Dominion of Arachnos - Accuracy/Damage/Endurance/Recharge

• (A) Defense Buff IO
• (31) Flight Speed IO
• (33) Endurance Reduction IO
• (48) Luck of the Gambler - Recharge Speed

• (A) Empty

• (A) Positron's Blast - Accuracy/Damage
• (29) Positron's Blast - Damage/Endurance
• (29) Positron's Blast - Damage/Recharge
• (31) Positron's Blast - Accuracy/Damage/Endurance
• (31) Positron's Blast - Chance of Damage(Energy)

• (A) Karma - Knockback Protection
• (34) Defense Buff IO
• (48) Luck of the Gambler - Recharge Speed

• (A) Flight Speed IO

• (A) Titanium Coating - Resistance/Endurance
• (36) Titanium Coating - Resistance/Recharge
• (36) Titanium Coating - Endurance/Recharge
• (37) Titanium Coating - Resistance/Endurance/Recharge
• (37) Titanium Coating - Resistance
• (37) Titanium Coating - Endurance

• (A) Empty

• (A) Recharge Reduction IO
• (39) Recharge Reduction IO
• (39) Healing IO
• (39) Healing IO

• (A) Aegis - Psionic/Status Resistance
• (40) Aegis - Resistance/Endurance
• (40) Aegis - Endurance/Recharge
• (40) Aegis - Resistance
• (42) Aegis - Resistance/Endurance/Recharge

• (A) Positron's Blast - Accuracy/Damage
• (36) Positron's Blast - Damage/Endurance
• (48) Positron's Blast - Damage/Recharge
• (50) Positron's Blast - Accuracy/Damage/Endurance
• (50) Positron's Blast - Chance of Damage(Energy)

• (A) Call to Arms - Defense Bonus Aura for Pets
• (43) Recharge Reduction IO
• (46) Damage Increase IO

• (A) Edict of the Master - Defense Bonus
• (43) Recharge Reduction IO
• (43) Recharge Reduction IO

• (A) Luck of the Gambler - Recharge Speed
• (42) Luck of the Gambler - Defense/Endurance
• (42) Luck of the Gambler - Defense

• (A) Gaussian's Synchronized Fire-Control - To Hit Buff
• (45) Gaussian's Synchronized Fire-Control - To Hit Buff/Recharge
• (45) Gaussian's Synchronized Fire-Control - To Hit Buff/Recharge/Endurance
• (45) Gaussian's Synchronized Fire-Control - Recharge/Endurance
• (46) Gaussian's Synchronized Fire-Control - To Hit Buff/Endurance
• (46) Gaussian's Synchronized Fire-Control - Chance for Build Up

• (A) Accuracy IO

• (A) Recharge Reduction IO
• (50) Recharge Reduction IO

• (A) Empty

• (A) Empty

• (A) Empty

• (A) Empty

• (A) Empty

• (A) Empty

• (A) Empty

• (A) Empty

• (A) Empty

• (A) Panacea - +Hit Points/Endurance
• (34) Numina's Convalescence - +Regeneration/+Recovery
• (34) Miracle - +Recovery

• (A) Empty

• (A) Performance Shifter - Chance for +End
• (33) Performance Shifter - EndMod
• (33) Endurance Modification IO

• 6.5% DamageBuff(Smashing)
• 6.5% DamageBuff(Lethal)
• 6.5% DamageBuff(Fire)
• 6.5% DamageBuff(Cold)
• 6.5% DamageBuff(Energy)
• 6.5% DamageBuff(Negative)
• 6.5% DamageBuff(Toxic)
• 6.5% DamageBuff(Psionic)
• 11% Defense(Melee)
• 10% Defense
• 8.5% Defense(Smashing)
• 8.5% Defense(Lethal)
• 11.94% Defense(Fire)
• 11.94% Defense(Cold)
• 14.75% Defense(Energy)
• 14.75% Defense(Negative)
• 6% Defense(Psionic)
• 16% Defense(Ranged)
• 13.19% Defense(AoE)
• 56% Enhancement(Accuracy)
• 66.25% Enhancement(RechargeTime)
• 18% SpeedFlying
• 104.4 HP (9.75%) HitPoints
• 18% JumpHeight
• 18% SpeedJumping
• Knockback (Mag -12)
• Knockup (Mag -12)
• MezResist(Held) 2.75%
• MezResist(Sleep) 2.2%
• MezResist(Stunned) 2.2%
• 15.5% (0.27 End/sec) Recovery
• 30% (1.61 HP/sec) Regeneration
• 3% Resistance(Smashing)
• 7.72% Resistance(Fire)
• 7.72% Resistance(Cold)
• 3% Resistance(Energy)
• 3% Resistance(Negative)
• 3% Resistance(Toxic)
• 6% Resistance(Psionic)
• 3% Resistance(Lethal)
• 23% SpeedRunning
• 2.5% XPDebtProtection

It will do what you want it to do, though I think it could be improved.

Soldiers of Arachnos get superior performance from the Leadership pool. Why skip it?
5% defense for yourself, your pets and your team (Maneuvers) is far better than 4% defense for just you (Combat Jumping). And passing up a 15% damage bonus for the whole team (Assault) is madness.

I think that your pets as currently implemented are a waste of power and enhancement slots. They have no accuracy slotting and you didn't take TT:Leadership or Tactics, so they won't be able to hit the broad side of a barn. I would four-slot them with Expedient Reinforcements to get the 6.25% global recharge bonuses, and as many recharge, damage and accuracy bonuses as you can get from the set. After that, I'd worry about defense and resistance IOs. Their best defense is for you to grab all the aggro, and to run both versions of Maneuvers.

Wolf Spider Armor is also dubious. An extra 3% resistance to smashing and lethal is really not worth a power slot to a Crab Spider, especially when you could have something very useful like Assault instead.

Combat Training Offensive may be nice while leveling up, but you will not need that accuracy bonus when you are 50 and coated with IOs. If you want accuracy, take Tactical Training: Leadership.

For the hover blaster, I would use the 6th slot in Suppression for a Range IO. This will substantially increase the range/altitude at which you can fight, which I think is a lot more useful than a random chance to debuff a bunch of minions.

Why so much ranged defense? Going way over soft cap does provide a buffer against cascading failure in the event you get debuffed, but it also prevents you from taking more powerful IO sets and/or procs for Channelgun and Longfang.

You might as well remove the pets, slotted as they are they're useless.

Hover, CJ, and Serum could all use improvements.

You may have to-hit issues if you malfactor.

Recharge is below what I would typically call desirable.