Hello everyone, I have a .Mkv file that I have been trying to play using PowerDVD 7.3, as it is the only HD Decoder that supports Hardware decoding through my ATI 2600XT. Only problem is that PowerDVD doesn't support the .Mkv format. I have tried re-naming the file to .AVI, .MP4, etc. However none of this seems to help and I continue to have a 90% CPU usage, and yes, the video plays very poorly. I was wondering if there was a program I could purchase that would allow me to convert my .Mkv file into a format that PowerDVD will recognize, such as .h264 or similar, so that I may have hardware decoding through my video card, and be able to play my video file smoothly with lower CPU usage. Thanks in advance, I appreciate your help.