Mac Mini fans have been waiting for a built-in TV tuner for a while now, even as Apple sends mixed signals on the possibility. In the meantime, the only way to turn your Mini into a TiVo-like recorder is to hook up an external USB TV tuner.
Miglia, which makes all kinds of A/V interfaces for Macs, has a new stand-alone TV tuner for the Mac Mini, and it's called the TVMax. It's the same size and shape as a Mac Mini, so you can stack one on top of the other for an uncluttered look.
The TVMax is similar to the best-known Mac DVR option, Elgato's EyeTV line of products. In fact, the TVMax uses Elgato's EyeTV software, pairing it with its own hardware. The unit includes S-Video, composite, and RF antenna inputs (with an adapter for your co-ax cable), plus a remote control, and is available for $249.