x6 1055t, Asus M4N98TD EVO (nforce 980a), 2x2gb AData DDR3 1600, Mushkin SSD + 2x WD2500KS RAID 0, Antec EA650 PSU...
... and both GPU setups I've used, a reference GTX 580 and 2x GTX 570 SLI have produced the same result in GPU, for example last time I checked I got an unrecoverable error...