Well again Ive made a mistake and purchase the new vista home, and lost dvd support,file and print sharing from a xp sp2 computer and the lord only knows what else. But the first issue and I have tried all threeds to make the sharing issue fixed, vista can find the xp system but can not access the shared items, xp can not even find the vista system, It all worked find in xp.
Ive loaded v6 tcip, and link layer on xp system, enabled netbios over tcip and assignned both systems correct work groups and dns names
and other help out there

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic