The drivers will "probably" exist but it's finding them that can be a chore. Open the Device Manager while Vista is installed and write down all the current drivers and device names so you can find them BEFORE attempting the XP installation. See the links below to read about others who have "downgraded" to XP with other computers:
HP Computers Mainly
http://forums.cnet.com/5208-12546_102-0.html?forumID=133&threadID=243153&messageID=2460401
General Guide
http://forums.cnet.com/5208-12546_102-0.html?forumID=133&threadID=238817&messageID=2487295#2487295
Dell Computer
http://forums.cnet.com/5208-12546_102-0.html?forumID=133&threadID=259474&messageID=2557700
Gateway Dual Boot
http://forums.cnet.com/5208-12546_102-0.html?forumID=133&threadID=259200&messageID=2556095
Toshiba Satellite
http://forums.cnet.com/5208-12546_102-0.html?forumID=133&threadID=258491&messageID=2551857
Hope this helps.
Grif
Can a new Toshiba P205-S6307 with "Windows Vista Home Premium" factory installed be downgraded to "Windows XP Pro"; in short do the applicable hardware drivers for a "Win XP Pro" installation exist.
Thanks-BC.

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