Well if we are comparing ops/scoundrels to sins/shadows, I dont think its ALL about the dps per burst. I mean don't get me wrong I have seen (and been a victim of) 10k maul strikes and have only seen about 7k as the highest backstab strike, and that is a rarity even for a well geared player. So I think ops can be.....I'll say 'tweaked' in their DPS department but I think its more about the survivability rate of op dps than it is strict dps. The two other classes and specs that are somewhat similar are Annihilation for Marauders and Madness for sins. But certain specs get buffs, nerfed, buffed.....they all come round eventually.