This one is a tough one alright....but why not break down the suits and see how well they are pitted against Pro's and Con's?

For Gallente: PRO's

1.) Best Dampeners=Stealthiest
2.) Ranges
3.) Armor Rep
4.) Second Fastest Scout

CON's
1.) Not good on Precisions (Passives)
2.) Stamina is Alright

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For Caldari: PRO's
1.) Best Precisions=See's Everything
2.) Ranges
3.) Faster Shield Regen.

CON's
1.) Not good on Dampening (Passives)
2.) Stamina is Lowest
3.) Slowest Scout

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For Minmatar:
1.) Fastest Hacking (Passively)
2.) Melee Proficient
3.) Fastest Suit

CON's
1.) Squishiest
2.) Alright on Precions, Damps, Ranges
3.) CPU/PG is low

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For Amarr:
1.).....................
2.).....................
3.).....................

And that's the Problem, there is nothing Amarr has that the other Scouts can do better, IMO I think the Amarr should be the polar opposite of Minmatar, essentially their Nemesis. (Like Gallente and Caldari) The Amarr Scout should have MORE stamina then Minmatar, Counter hacks fastest, and has slightly higher bonus to eHP (passives) then all the other Scouts. (Melee damage could be buffed but that's up for debate) That's just my two cents on it.