Originally Posted by Tzan

Go in and get flattened. Really. It's a great way to get people more motivated about gearing up through Kara. If the Raid thinks it's ready for TK, go for it. If you win, then you've got people excited about Raiding and they'll be more active and committed. If you get crushed, then people will be more willing to work on other encounters because they'll know they need to gear up better to progress. And, if you get flattened, the next time you go in with better gear, it will seem easier so people will start off the return with higher expectations.

It's a win/win.