Replacement board can be purchased from Ebay for around $200 NZD shipped.
Includes Xeon 5504 CPU, 24GB DDR3-800 RAM (3 x 8GB), 2 x 300GB 10k SAS drives, single PSU (chassis supports 2 PSUs).
Also includes a RAID Activation Key I believe.
Pickup in Chch only. Best offer gets it (currently have an offer of $40).