Rig:

MSI 785G-E53
Sempron 145
4 Cablesaurus Risers(3 pci-e 1x-16x, one 16x-16x)
2 GB RAM
40 GB HDD(got it at microcenter at 20$)
4 Sapphire 5830s

Runs Windows 7 x64, with teamviewer to manage it from my home network. Cgminer, with temp target at 65°C, and clocks 800/300.