... but just remember that trashing entire cache folders willy-nilly has the potential to cost you data and/or settings that not only most likely have nothing to do with your issue but may be a major nuisance to recreate.
I hear you. If it does anything nasty like you describe, I've got a case number and the name of the Apple advisor who claimed that in Lion it won't hurt to do it. That was my concern when he suggested it, but he insisted that it was the way to go. (He may wind up stacking boxes in the back room if he's wrong.)
