I have an Asus crosshair 3 formula mobo, 8gig G skill ddr3 @1333, AMD Phenom 2 955 be@3.6ghz, western digital velociraptor 300 gb, two hd5850 crossfired and my 3dmark 06 score is 20771, my 3dmark vantage score is P17372, does this seem to be accurate benchmarks for this configuration, this is only my 3rd system build,and also how can you tell in catylyst control center if both card are working correctly in crossfire?