I wanted to start this comparison because there is a lot of stuff out there and a lot of places to look to get answers. I also am still on a “quest” to build the “Perfect PVR” and your hardware is only as good as your software.
I hope to be able to expand on this list quite a bit as my quest matures.
HTPC Software Comparison
Please let me know if any of the items on this list are incorrect or out dated. I am only as good as my experience and Googling skills.