Blog Post:
I did a silly thing the other day. I upgraded to Lion - the first release of an operating system update. I'm a user of Logic, Native Instruments, Aalto and a few other plugins. My brain said no, but my nerdy right hand said "yes, buy, OK, confirm, yes". Don't do it without a backup. You've been warned. Audio plugins and programs are notorious for breaking on x.0 revisions.