Boozer's still got it. I think Rose's problem is his patience and/or the game plan more than ability (though he's never terribly impressed me with his passing ability). Whatever the case, they're not using Boozer the best that they can, and that might be their biggest problem, honestly. When Boozer had sex with the Jazz last week, I saw everything that I've been missing the Jazz offense. But when Rose gets the ball, he'd rather fly towards the rim and try to make something good happen than force the defense to choose and take what the defense gives him. I can't really blame him as he converts at a really impressive rate.
That kind of ball will, again, catch up to them, IMO.