well personally I slotted the toggle armours with one end reduction and three resistance and the auto's with three resistance. For Energy Drain I went for Three Endurance Modification and two recharge (end draining is so cool). For Power surge I went for three resistance and two accuracy but its up to you.
The only thing I ever suggest is never slot something more than three of the same enhancement due to ED
hope this helps
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What I am going to do or would do on my Energy Melee/Electric Armour:
Charged Armour: 2xEndurance Reduction, 3xResistance
Lightning Field: 3xEndurance Reduction, 1xAccuracy, 2x Damage
Conductive Shield: 2xEndurance Reduction, 3xResistance
Static Shield: 2xEndurance Reduction, 3xResistance
Grounded: 3xResistance
Lightning Reflexes: 1xRunspeed
Conserve Power: 3xRecharge Reduction
Power Sink: 3xEndurance Modification, 3xRecharge Reduction
Power Surge: 3xResistance, 3xRecharge Reduction
But of course, those are just my opinions.
Thanks alot 
Yeah I realise about ED, what it is i'm just never sure about slotting armours for some reason, I usualy go wrong with them. 
For basic SO / Common IO slotting:
Charged Armour: 3 res, 1 end red
Lightning Field: 2 ac, 2 dam, 2 end red
Conductive Shield: 3 res, 1 end red
Static Shield: 3 res, 1 end red
Grounded: 1 res
Lightning Reflexes: 1 run spd
Conserve Power: 3 rec red
Power Sink: 2 end mod, 2 rec red
Power Surge: 2 res, 3 red red
That saves you a few slots, shave a percentage or two off of energy and neg energy res, and 5% res off of Power Surge. An extra end mod in Power Sink yields 4% more end gain and an extra rec red gives you 2 or 3 seconds lees recharge. This way, you save a lot of slots for very little loss. I'd suggest replacing them for Impervium: Psi Resist IOs for an extra 15% Psi res
@Jay Leon Hart
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Cheers leon. Helped alot. I'm not realy worried about the recharge of Power Sink. I was planning on only putting two recharges in it. Because i'll have Hasten and Lighting Reflexes 
Personally I would recommend respecing at 35 or 36 and getting back some of those End Redux (but not all of them).
I have:
Charged Armour: 3 res, 1 end redux
Lightning Field: 1 ac, 3 end mod, 2 end redux
Conductive Shield: 3 res
Static Shield: 3 res
Grounded: 3 res
Lightning Reflexes: 1 run spd
Power Sink: 3 end mod, 1 rec red (but next level it will be 3 rec red)
And this is perfect above 35th level (I never have any edurance issues). When exemplaring below 35th (ie without Power Sink) I just make sure I don't go anywhere without atleast 4 Catch a breaths, and I make sure I always use inspirations so there are free slots for any new Catch a breath that may fall.
I also would recommend against getting both Conserve Power and Power Sink - once you have Power Sink Conserve Power seems like a complete waste of a slot.
Title says it all realy. Just wondering if anyone could give me some advice on how to slot my armours on my SS/Elec Brute. I'm never realy sure when it comes to armours