I'm getting ready to make my annual Sunday Ticket call, and was thinking about getting them to throw in a Genie set up. So my question is...is it worth it? My set up is the old antiquated HR20-700 DVR and two of the older HD receivers (not sure of the models) with the whole-home set up. The kicker is I put a 2TB hard drive in the HR20-700...so it's really nice never having to worry about running out of space, especially with the 50 shows we have set to record. What size is the hard drive in the Genie?