Tim,
You might look at the Intel DG45FC Mini-ITX board. It's $149 from mini-box.com
It's more of a HTPC board, but it is Socket 775 (looks like 65W TDP and lower CPUs), has PCIe GbE, 1 x 1xPCIe, 4 x SATA II, 1 x eSATA, RAID 0, 1, 5, 10 support and 10 USB 2.0 ports (6 back-panel and 4 via...