Also take a look at D-Links 2 Drive NAS units. The DNS-321 1TB would be the right size, not the frills that the DNS 323 has.
Here is the Spec sheet for it. http://www.dlink.com/products/?pid=DNS-321-1TB
They take 1 or 2 HDD's, you choose, the make and size, and can be configured as Simple Disks, or Dynamic Disks using JBOD, RAID, or Mirror.
Connects to you LAN Ethernet Cable off your Router. Anyone can access the data.