Another option is the Linksys NSLU2, if you can find one used. Lots of community support for this device available here:
http://www.nslu2-linux.org/
I've been running one since 2005 with the Unslung firmware, but I recently upgraded it to a standard Debian 5 install and it's working better than ever. It's not as fast as the newer NAS devices, but then again it draws less power because of it.
Slashdot Mirror
Another option is the Linksys NSLU2, if you can find one used. Lots of community support for this device available here: http://www.nslu2-linux.org/ I've been running one since 2005 with the Unslung firmware, but I recently upgraded it to a standard Debian 5 install and it's working better than ever. It's not as fast as the newer NAS devices, but then again it draws less power because of it.