Review is bogus.
Any review that mentions AVI (file encapsulation protocol) in the same breath with DIVX (a data compression protocol) deserves to be sneered at.
Let's get our nomenclature straight:
1) There are *codec* (COmpression/DECompression) formats such as DIVX, H264, MPG etc... these are use to take the video data and reduce it to a manageable size (there are also audio codecs, such as AAC, MP3, etc...); and
2) There are *file* formats such as AVI, MP4, MKV, MOV, etc... these are use to take video and audio (and in some cases, subtitling) data and hold them in a single file.
BTW: MKV stands for *Matrovska*.
Thus, and contrary to what MS would have you believe, it is perfectly possible to have an AVI file containing H264 video and AAC audio data. And (out-of-the-box) Windows Media Player would have a fit because while it understands the AVI *file format* it does not have the bits required to deal with the *codecs*.
Some people have stated the device will handle MKV and H264... I'll believe when I see it. More important to me is the lack of network connectivity (wired or wi-fi, I don't care: I's got blue cables in my walls at home as well as a wi-fi router for the laptop and Wii); lack of non-ascii subtitle fonts; and, from the sound of it, lack of support for dynamic soft subtitles.
Note: if you have no idea what I'm talking about, DSS are subtitles which are kept on a separate stream in the file (in other word, they are not embedded in the video stream) which also contain details for subtitle placements, colour, movement, etc... used very much by the better anime fansubbers to provide english translation for signs *next to the sign* as opposed to the default bottom-of-the-screen.
I'll stick with my Mozart HTPC running Media Player Classic and the CCCP codec pack for the moment, thank you very much.