This is getting sort of chatty and irrelevant to the larger discussion. Please try to stay on topic.
Originally Posted by Palanuial
It's a pug, they don't really know what they're talking about. Combat isn't far and away better than assasination, and when you're more comfortable as assasination, and (if) your gear is optimalized towards assasination, you shouldn't be surprised that you come out ahead with it. And even disregarding all of that, if you look at two parses by the same rogue on the same boss, then there will be a difference in performance even with the exact same gear, specc, and raid-setup.
Funny thing is that it wasnt a pug It was my friends guilds altrun and all of them told me that it sucked