1. AMD's Opteron - which will offer more for the money
2x AMD Opteron 6128 Magny-Cours 2.0GHz 8-Core Server Processor
ASUS KGPE-D16 Dual Socket G34 AMD SR5690 SSI EEB 3.61 Dual 8/12 Core AMD Opteron 6000 series Server Motherboard
2x Crucial 8GB (2 x 4GB) 240-Pin DDR3 SDRAM ECC Registered DDR3 1333 (PC3 10600) Server Memory Model CT2KIT51272BB1339 - In total 16GB
CASE - A good Server chasis or a standard case which supports eATX mobos
PSU - A quality 500-600W PSU from Antec EA or TP or ECO series/ CM Real Power or Silent PRO/ Corsair/ PCP&S/ Silverstone/ Seasonic
And if the PSU doesnt come with 2x 8Pin CPU connector, then get this - It splitts the single 8 pin from PSU to 2x 8pin which can be connected to the board... http://www.newegg.ca/Product/Product.aspx?Item=N82E1681...
2. Intel Xeon - But this would be costlier and I doubt it would offer better value for money than the Opteron...
But anyways you can expect AMD to launch their newer Bulldozer based CPUs by Q1 2011, also Intel their Sandybridge CPUs, so keep your options open...
Thank you for reply gkay09. That looks like a 10x better and cheaper build than my current 2 year old Dell server. I'm definately keeping my options open, lets see what the new intel and AMD cpus will offer.