ReplayTV RTV5516 160-Hour Digital Video Recorder
Hands down (was) the best out there
I've owned a Replay 5040 for over a year and just picked up a 5504 from Amazon.  All indications are that this product (the hardware, not the service) is being phased out by DNNA, the company that bought ReplayTV from Sonic Blue a while back, but the Replay is still hands down the best DVR out there with one primary exception: If you need/want to record high definition content - you're better off with your cable or satellite company's HD-enabled DVR.  But if you're not on the HD bandwagon then Replays will continue to be very competitive despite that they have had few updates in the last two years.  The 30-second skip, the commercial advance (even the watered down commercial advance aka \\"ShowNav\\" that the 5504 has), the picture quality for standard definition TV, the user interface (once you get used to it), the ease with which the hard drive can be upgraded, the web-community support, the third party aps (like DVArchive) are all features that beat Tivo.  Believe me - every time I'm over at my brother's house and am forced to use Tivo I am amazed at how much more I like my Replay.  And soon I'll have two!