I have a Netgear ReadyNAS NV+ and it works great. The NVX replaces this model, so that's a little better. It's a 4-bay NAS that has all the various streaming services, allows you to add software so that I have Transmission bittorrent client running.
It also supports the full compliment of connection protocols, NFS, SMB/CIFS, AFP so Linux, Windows and Macs are all set.
Regards