While I don't like Vista too much, I think XP is great. I am a Mac user, but still, I really like XP. It even breathed new life into an old Dell that ran 98 like crap.
1.stupid pop up messages (unhandled xception in win32 ) 2.BSOD (remebred me ) 3.update thingy popping up ever now nd then 4.Instability