The DirecTV HR20-700S is a good product.  It allows you to record 2 channels at once in both regular and HD format.  Because it is customized for DirecTV it stays current as more features are added to the service.  It is easy to program.

You can only rent the unit.  Over the years that adds up to a lot more money you will have to fork out.

The hard drive is big enough for most purposes, but should have been big enough that capacity is never a thought.  There's no provision to record or play DVDs in either regular or Blu-Ray format.  That would make the unit much more convenient and would...