In regards to DLNA, here is something people should understand about the VIZIO
Co-Star. The Co-Star states it supports the following for video and audio, (besides flash
for the browser);
Video Playback H.264, MP4, MKV
Music Playback MP3, AAC, WMA
This means it's NOT DLNA complient. Unless you want to consider it a portable device.
Non-portable devices MUST support MPEG2 video and LPCM audio to be DLNA
standards complient. Everything else is optional.
Here is the reference page I used from VIZIO;http://www.vizio.com/costar/specs
All that said, it might work just fine with DLNA sources IF they are in the right format.