A well-made device with generally good performance. Unfortunately, there is video streaming repeatedly artifacts. (Strips on the screen). A bucking I can see in any format (even at 1080p 50 Hz). Configuration: Gbit LAN network with fast NAS (also Gbit Lan) Without the aberration of the players would get 4-5 stars.
Update 1/18/2014: After further internet research I could find that the chipset used not cope with videos that have been cut with the video editing program Magix. Ie other videos run smoothly if necessary. For me the device is unusable due to the problems described above. I returned it.