Get yourself one of these under-$100 NAS boxes, rip out the PCB and go nuts: the Linksys NSLU2, the Synology DS101, the Iomega NAS100d, the D-Link DSMG600 http://www.nslu2-linux.org/wiki/Main/HomePage Or, if you want Wifi built in, go for OpenWRT and devices to match - same price bracket.