10.8.2 (AMD Kernel from the first post of the mountain lion development thread)
AMD Phenom II X6 1090t
8GB Mushkin DDR3 Ram
MSI Twin Forzr II Unlocked Shaders AMD Radeon HD 6950 2GB (Graphical corruption and artifiacts still, but QE/CI Works on 3 monitors. You have to use the 10.8.2 6970 package from netkas.org and boot using IGP then switch over to 6950).
OCZ 120GB SSD (Forgot what the model is something 3)
ASUS cheap motherboard
2x maxtor 160GB
Overall, it runs quite fast other than the graphical issues. 9372 geek bench score