I've been looking in to getting a network attached storage device with a bit of functionality.

The one I've been looking at is this: Freecom NAS Media player
Which personally I think would be fantastic to watch video files without the need of a pc.

But I've also read about other NAS that also has a torrent client and some other services that I didn't really pay attention too.

Now I was wondering if there exists a product that can possibly do both? Or am I better off just building a small form factor machine to which I can customise to my needs.

This is purely out of curiosity for the time being but I'll use this information at a later date.
Thanks and Regards
Tony