I buyed AverMedia for a few months ago, and i had bo problems with it so far.
AverMedia is werry good, its easy to use and the best is that you can record in FULL HD with no problems.
I will recommend AverMedia to you boys if you are looking for a HD PVR.
Here is a little video about AverMedia.
https://www.youtube.com/watch?v=33y1VtgpgHA