We could see this coming from miles away, but finally someone has done the dirty work. Engadget has posted an article entitled HOW-TO: Turn your Mac mini into a media center.
This baby is expensive, using the EyeTV encoder from Elgato (around $349), on top of the Mac Mini’s entrypoint of $499. Plus they upgrade the storage, and add a fancy A/V switching device. It’s slick, but I’m not sure it’s the best Mac based PVR solution out there.