The answers to my question must be in FAQ but I can't find the information. I'm considering leaving DISH to go to Xfinity/Comcast. I want the Premiere XL4 because Comcast DVR's are way behind the times. I'm in Sacramento. I called Comcast and they said TIVO is not compatible with the their system. From what I can tell from reading, that not true. Is there somewhere I can find the steps needed to use TIVO with Comcast. Obviously, Comcast needs to cooperate or it won't work. How do I make them cooperate? I'm assuming I purchase (not lease) the TIVO for $399. I then pay a monthly fee ($15) or lifetime ($100) to TIVO. Comcast shouldn't charge me for a receiver or for leasing equipment but I need to plug the TIVO into the Comcast system -- somehow? I then pay Comcast for the programming only? How do I get the correct cable card? It seems like a big disadvantage for TIVO that Comcast doesn't cooperate. Also, since this would be a new service how does Comcast do the install with TIVO's equipment. I must be missing something. It can't be this difficult to get TIVO to work with Xfinity/Comcast? Any feedback would be appreciated. Thanks.