I did oc it to 3.4Ghz and tried before. 9959P Vantage. 16181 3D Mark 06 with oc'd cpu and 4870 at 800/4400. Couldn't still beat the 10k.
Maybe I have to add 2 more gb's of ram to the system to get 4gb in total but I really wonder if 4gb instead of 2gb would make any difference.