Well not always. WinTV's Win2k drivers work fine for me - as do scanner drivers on my wifes... Nvidia owners during the beta of WinXP would often use the Win2k drivers to get OpenGL etc. This question ...
So, being the genius that I am, I bougt an HP Smart Array E200 RAID controller to use in my computer. I didn't even think about the fact that there are no drivers for Windows XP available for it.