Archery/MM blaster build idea

I've had this guy at 50 using SO's for a while, and I decided it was time to IO him. This is what I came up with... please help me by making changes wherever you see the need to.

Hero Plan by Mids' Hero Designer 1.92
http://www.cohplanner.com/

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Psychic overload: Level 50 Magic Blaster
Primary Power Set: Archery
Secondary Power Set: Mental Manipulation
Power Pool: Speed
Power Pool: Fighting
Power Pool: Leadership
Ancillary Pool: Force Mastery

Hero Profile:
Level 1: Aimed Shot -- Dev'n-Hold%(A)
Level 1: Subdual -- Decim-Acc/Dmg(A), Decim-Acc/Dmg/Rchg(3), Decim-Dmg/Rchg(7), Decim-Dmg/EndRdx(11), Decim-Acc/EndRdx/Rchg(43)
Level 2: Fistful of Arrows -- Posi-Acc/Dmg(A), Posi-Dmg/EndRdx(3), Posi-Dmg/Rchg(5), Posi-Acc/Dmg/EndRdx(5), Posi-Dam%(37)
Level 4: Mind Probe -- Hectmb-Dam%(A), Hectmb-Acc/Dmg/Rchg(19), Hectmb-Dmg/EndRdx(42), Hectmb-Dmg(45), Hectmb-Dmg/Rchg(50)
Level 6: Blazing Arrow -- Decim-Build%(A), Decim-Acc/Dmg/Rchg(7), Decim-Dmg/Rchg(9), Decim-Acc/Dmg(11), Decim-Dmg/EndRdx(27)
Level 8: Hasten -- RechRdx-I(A), RechRdx-I(9)
Level 10: Aim -- RechRdx-I(A)
Level 12: Psychic Scream -- Posi-Dam%(A), Posi-Acc/Dmg(13), Posi-Dmg/EndRdx(13), Posi-Acc/Dmg/EndRdx(36), Posi-Dmg/Rchg(37)
Level 14: Explosive Arrow -- FrcFbk-Rechg%(A), Posi-Dam%(15), Posi-Acc/Dmg/EndRdx(15), Posi-Acc/Dmg(17), Posi-Dmg/Rng(19), Posi-Dmg/Rchg(21)
Level 16: Super Speed -- Clrty-EndRdx(A), Clrty-RunSpd(17)
Level 18: Concentration -- RechRdx-I(A)
Level 20: Drain Psyche -- Dct'dW-Heal/EndRdx(A), Dct'dW-Rchg(21), Dct'dW-EndRdx/Rchg(23), Dct'dW-Heal(23), Dct'dW-Heal/Rchg(48)
Level 22: Ranged Shot -- Apoc-Dam%(A), Apoc-Dmg(25), Apoc-Acc/Dmg/Rchg(25), Apoc-Dmg/Rchg(43), Apoc-Dmg/EndRdx(46)
Level 24: Boxing -- Empty(A)
Level 26: Tough -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam(27), RctvArm-ResDam/Rchg(37)
Level 28: Weave -- LkGmblr-Def(A), LkGmblr-Rchg+(29)
Level 30: World of Confusion -- Oblit-%Dam(A), Oblit-Dmg(31), Oblit-Acc/Rchg(31), Oblit-Dmg/Rchg(34), Oblit-Acc/Dmg/EndRdx/Rchg(36)
Level 32: Rain of Arrows -- Ragnrk-Dmg(A), Ragnrk-Dmg/Rchg(33), Ragnrk-Acc/Dmg/Rchg(33), Ragnrk-Acc/Rchg(33), Ragnrk-Dmg/EndRdx(34), Posi-Dam%(34)
Level 35: Assault -- EndRdx-I(A)
Level 38: Psychic Shockwave -- Armgdn-Dam%(A), Armgdn-Dmg/EndRdx(39), Armgdn-Dmg(39), Armgdn-Dmg/Rchg(39), Armgdn-Acc/Dmg/Rchg(40), Oblit-%Dam(40)
Level 41: Maneuvers -- LkGmblr-Rchg+(A), RedFtn-Def(42), RedFtn-EndRdx(45), RedFtn-Def/EndRdx(45), RedFtn-Def/Rchg(46), RedFtn-EndRdx/Rchg(46)
Level 44: Personal Force Field -- LkGmblr-Rchg+(A)
Level 47: Temp Invulnerability -- ImpSkn-ResDam/Rchg(A), ImpSkn-ResDam/EndRdx(48), ImpSkn-Status(48), ImpSkn-EndRdx/Rchg(50), ImpSkn-ResDam/EndRdx/Rchg(50)
Level 49: Force of Nature -- S'fstPrt-ResKB(A)
Level 50: Spiritual Core Paragon
------------
Level 1: Brawl -- Empty(A)
Level 1: Sprint -- Empty(A)
Level 2: Rest -- Empty(A)
Level 1: Defiance
Level 4: Ninja Run
Level 2: Swift -- Empty(A)
Level 2: Health -- Numna-Regen/Rcvry+(A), Numna-Heal(40), Numna-Heal/EndRdx(42)
Level 2: Hurdle -- Empty(A)
Level 2: Stamina -- P'Shift-EndMod(A), P'Shift-EndMod/Acc(29), P'Shift-End%(31), P'Shift-EndMod/Rchg(36), P'Shift-EndMod/Acc/Rchg(43)
------------
Set Bonus Totals:

• 11.5% DamageBuff(Smashing)
• 11.5% DamageBuff(Lethal)
• 11.5% DamageBuff(Fire)
• 11.5% DamageBuff(Cold)
• 11.5% DamageBuff(Energy)
• 11.5% DamageBuff(Negative)
• 11.5% DamageBuff(Toxic)
• 11.5% DamageBuff(Psionic)
• 1.25% Defense(Energy)
• 1.25% Defense(Negative)
• 0.625% Defense(Ranged)
• 4.5% Max End
• 4% Enhancement(Heal)
• 113.75% Enhancement(RechargeTime)
• 81% Enhancement(Accuracy)
• 5% FlySpeed
• 126.5 HP (10.5%) HitPoints
• 5% JumpHeight
• 5% JumpSpeed
• Knockback (Mag -4)
• Knockup (Mag -4)
• MezResist(Confused) 7.5%
• MezResist(Held) 7.5%
• MezResist(Immobilize) 18.5%
• MezResist(Sleep) 9.7%
• MezResist(Stun) 9.7%
• MezResist(Terrorized) 9.7%
• 22% (0.367 End/sec) Recovery
• 38% (1.912 HP/sec) Regeneration
• 14.81% Resistance(Fire)
• 14.81% Resistance(Cold)
• 5% RunSpeed
• 2% XPDebtProtection

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Why did you slot WoC for damage? I think many would favor the purple Confusion set. Also Aimed Shot is a pretty good power, did you really just want to slot the chance for Hold there? With Drain Psyche you may not need Spiritual, but YMMV.

One of the key benefits of Archery is having a full 80 foot ST attack chain. You want Snap Shot, Aimed Shot, and Blazing Arrow all well slotted (six Thunderstrikes each is my preference). Your build has a lot of AoE but once you are down to single targets you only have Blazing Arrow and a couple of redraw-inducing /Mental attacks... and when you are mezzed (which will be quite often since you have no real defense) you will be practically helpless with only Subdual actually slotted up. You need Snap Shot and Aimed Shot for use while stunned or held if nothing else...

(If you're using him as a farmer and plan to guzzle tons of inspirations to get defense while avoiding mezzing mobs then you're probably fine. But for general play you'll either spend a lot of time standing there with one usable attack or else be constantly buying Break Frees.)