I've asked this on different forums, and I've decided to also ask here. Basically, I found a workstation for 300$ (Dell T3610) which includes:
Intel Xeon E5-1620 v2
Nvidia Quadro K2000
16GB DDR3 Ram (ECC)
1T HDD
635 PSU
I plan on selling the Quadro and putting in a good GPU.
I've gotten many...