If it says XP compatible on the site go for it, the reason is Microsoft can only be sure of the compatibility if they rest it themselves. If it's from nVidia (will be unless a 3rd party or hacked driver), it's most likely fine.
All contents of the above post that aren't somebody elses are mine, not the property of some media corporation.
(Just a heads-up)
oooh since when do we listen to XP? if XP tells me that it is very dangerous to do something i just tell it to **** off and do it anyways. XP knows the least amount about computers than anyone