Would be nice to see a screen capture of the "request to upgrade" dialog. Sounds like the normal App Store nag, can't remember is 10.6 had Notification Manager. But it might well be an 'automatic' Adobe 'version-checking' routine.
My usual feeling about upgrading is that the longer you put it off, the more complicated, confusing, and problem inducing it can be. YMMV. It's rather like not voting; it's your choice, but don't expect much sympathy if things don't turn out like you wanted!
BTW, Apple's Forums working here, perhaps they take a 'lunch break' at every time zone's "noon"!