I was just roaming around newegg looking for a skt 939 mobo for a customer, when I stumbled upon this, and it has a slot on it called XGP, i was really wondering what this was, and I tried google but that didnt help, it looks very similar to agp... here's the link to the board
http://www.newegg.com/app/ViewProductDesc.asp?description=13-138-248&depa=1
http://www.newegg.com/app/ViewProductDesc.asp?description=13-138-248&depa=1