I'd quite like to move all my photos, videos, and music onto a HDD in a NAS sitting under the stairs.At the moment, I have a wired+wireless home network, but no sharing as such. Just a main PC (wired), laptop (wireless), and 2 STBs (wired - DLNA capable; DMS and DMP/C/R). They'll probably be another PC (wired) and another laptop (wireless) soon enough. Maybe a wi-fi radio too.What I'd like to be able to do is to have the HDD under the stairs pop up on my PC (wired) and laptop (wireless) as a network drive (i.e. something that can be accessed basically as if it was a network drive), and also be seen by DLNA clients on the network. If it has a funky utility (like Orb) to let me access it outside the house, so much the better.I don't want someone hacking into my wireless network and seeing, never mind changing, the contents of the NAS HDD.I haven't a clue how to do this. I've had a google, but I can't even think of the right search terms.I'm looking at something like the D-link sharecentre pulse 2-bay NAS, or the Netgear Stora 2-bay NAS.Most importantly, something I can buy very cheaply, pop a couple of 2TB SATA drives into, and forget about. Low power consumption is important. Ability to stream 25Mbps HD videos without a problem is important. Ability to stream two things at once is important. DLNA (or at very least uPnP) essential.