I found a deal http://www.ebay.de/itm/supermicro-X8DTH-6F-2-So-1366-XEON-X5570-16-logische-Kerne-x3-3GHz-Turbo-7PCIe-/121824302525?hash=item1c5d4b55bd:g:OXEAAOSwcdBWRKqq looks pretty good for me, decent board and to Quad Cores. Just need Ram, Gpu and PSU that should still be under 150 Bucks