I bought one of these, loaded up Win8, JRiver and it makes a nice, tiny, extremely quiet HTPC.
I had the ram (notebook ram repurposed) and the solid state msata drive (other project, discontinued) so it really only cost me the $300.
My supplier (NCIX) included the power cable, so all good.
I just ordered an intel 6235 wireless card ($28) to make it complete.