i should be ok...
amd 3200 xp 64 bit
1 gig geil performance ram pc-3200
geforce 6800 "Not Ultra or GT"
edit: Duffy... dont overclock unless you know what your doing i advise...
http://www.hardforum.com or
http://anandtech.com/ are good sources... along with
http://www.guru3d.com forums