One of the things you can try is removing hardware, one item at a time, and see if the BSODs stop when a certain item is removed. If so, then you know where to focus - either a hardware or driver problem for that item. Don't forget hardware includes memory sticks.
Intel i7 950 @ 3.9 GHz
MSI 560 Ti Twin Frozr x2 SLI @ 950 mhz
6 GB of Corsair memory (timings unknown atm)
H50 CPU cooler
3dMark11 P7800 at stock speed, P8643