Roku was nice enough to upgrade our player for Amazon Video on Demand a little early, and we're basically impressed -- although we're not in love with SD video and stereo audio, it's hard to complain about a free service update. Actually, that might be the best thing about the newly-rebranded Roku Video Player: Roku's opening the platform to third-party channels, so eventually the $99 box will be able to stream from all kinds of sources. Amazon is just the first additional channel built using the new tools, and for the most part, things work just like Netflix -- the interface has been only slightly modified to enable selecting content from the
