I am running the linksys NAS200 it is cheap and runs independent of you pc, only problem is to write large files takes a long time, my initial back up of 60 gig took about 8 hrs, but now that is done I have no complaints.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70