My printer drivers for my HP photosmart 1000 no longer work, they said they weren't going to make drivers for printers older then 10 years... it's not.
My new monitor came with drivers from HP, and I had misplaced the disk, they weren't on HP's site. I finally found the disk, and when I used the drivers they didn't stick.
I bought a 8800 nvidia, and while the drivers work, there are no advanced settings, they are stock drivers.
I have found some nice features in Vista but overall, I think XP was easier to work with.
Some annoyances with Vista...
1) Can't seem to FTP very well, I get disconnected or my FTP software will stop working. I have tried multiple FTP programs and they all do the same thing. It's annoying since I own 6 websites. So I have to use my other computer with XP on it.
2) Having to run as administrator for some games or programs, and getting asked every single time if I want to run it as an admin.
3) Getting annoyed with the selective startup screen and not being able to tell it not to show me the screen anymore. I don't want to uninstall the programs, I just don't want them to start automatically, and there are some programs which don't have the ability to turn this feature off.
4) Not being able to shut down some services, in order to be able to play some games more smoothly. Vanguard (an mmo) is a memory hog, and those services I want to shut down would increase the overall speed of the game. In XP, running a simple script allowed me to shut down the unnecessary ones, which in turn sped the games up.