Rating: - JLS is correct in his review
All of the shortcomings that JLS mentioned are true. No built in wireless, limited to a few manufacturers, networking limited to 4 folders, etc. But, this product plays EVERY file thrown at it, with sound, no stuttering, perfectly. And the HDMI works perfectly also. I would like to see a review of a product that can play ANY file (including ISO's), on a wired network, without any problems. If you put a 1TB hard drive in this, you have almost 250 movies to play without kids touching them, scratching them, etc. Well worth the money. Yes, you can buy a new computer that can play files, but this is different. This is what the Apple TV should have been!
Rating: - Pay a premium for MKV Capability
Buy it if you need to play Matroska, as it is one of the very few media players that offer such ability.
Weak points: expensive, does not have built-in wireless. Speaking of wireless support, must spend extra for USB type wireless adapter, and support limited to 2 or 3 manufacturers. Only 48bit WEP security available.
Pain to set up networking, may only access up to 4 shared folders (and have to set up each and everyone manually, including specifying the IP address).
Get the MD-350/450 if you don't need MKV. Cheaper, built-in wireless and a much easier set-up process.
DViCo TViX HD Network Media Player HDMI/SATA M-6500A Reviews