http://community.winsupersite.com/blogs/paul/archive/2007/12/28/28-days-later-a-look-at-some-reviews-from-2007.aspx
Well, I think a lot of it could have to do with that both OS'es were delayed by quite a bit, so people just got too used to the old ones. Though IMO, Vista is a good upgrade...
annoyances
applications
compatibility
delays
drivers
leopardissues
mac leopard
old os
operating systems
patches
performance
security
security prompts
software upgrade
tech comparison
technology review
user experience
vista benefits
windows vista
windows xp