It looks like two cards in SLI were used here, please explain
Your vantage run looks too high http://www.hwbot.org/submission/2326175_ximi_3dmark_vantage___performance_geforce_gtx_260_216sp_16686_marks
Also your 3DMark06 and 3DMark03 with the same card http://www.hwbot.org/submission/2326173_ximi_3dmark06_geforce_gtx_260_216sp_30161_marks
http://www.hwbot.org/submission/2326165_ximi_3dmark03_geforce_gtx_260_216sp_76118_marks