(Check my other posts for a link to this awesome addon if you don't have it already.)
Similar to how the GearScore addon works (from what I've read), this scale simply adds up all relevant stats.
Remember: it will only rate the potential of a player's gear, not their skill level.
This scale does not place any value (bias) on where that gear came from, only what the gear adds to your character.
If there was a way for Pawn to rate enchantment procs.. now that would be way cool.
But this will do for now. :)
( Pawn: v1: "Score!": Intellect=1, ArcaneResist=1, FeralAp=1, FrostResist=1, ResilienceRating=1, Agility=1, ExpertiseRating=1, MasteryRating=1, Spirit=1, ArmorPenetration=1, FireSpellDamage=1, HolySpellDamage=1, Strength=1, Health=1, Hp5=1, SpellPower=1, Mp5=1, Ap=1, SpellPenetration=1, HasteRating=1, DefenseRating=1, Dps=1, FrostSpellDamage=1, BlockValue=1, BlockRating=1, Mana=1, NatureResist=1, ShadowResist=1, FireResist=1, ArcaneSpellDamage=1, NatureSpellDamage=1, CritRating=1, ShadowSpellDamage=1, HitRating=1, Stamina=1, Rap=1, ParryRating=1, DodgeRating=1 )