I have a post outlining an offer from NewEgg where they are offering an HP EX470 MediaSmart Server for $539 which includes free shipping and a free 500GB hard drive.
I'm going to be upgrading my CPU in my MSS this weekend. If possible, could you please respond to my two posts about CPUZ, CPU-Burn In, and CPU cooling. The posts are response to your DIY article on HomeServerHacks.