Amazon via BeachCamera has the HP LX195 MediaSmart Home Server for only $279 shipped, originally priced at $472. It features a 1.6 HGz Intel Atom 230 CPU, 1GB of DDR2 RAM, 640GB HDD (SATA, 7200 RPM), and “ultra-fast Gigabit Ethernet networking (10/100/1000).” Product page.

And it’s easy to set up–just plug it in, connect it to your wireless router (sold separately), and load the software onto your PCs and Macs.

[via Amazon]