Sony Updates NAS-Enabled Stereos, M700HD and D500HD

It was almost exactly a year ago that we talked about Sony's network-accessible » 9/08/08 4:44am 9/08/08 4:44am storage stereo systems, and now Sony's popped up with two new similar devices. The NAS-M700HD and D500HD are basically upgrades to the old M75HD and D55HD: the M700 has a 160GB HDD, plays minidiscs and has an S-Master digital amplifier…