I have two (Series 3) TCD652160s that are working fine. I have a friend who might be giving me his TCD658000 due to it no longer working (probably either bad hard drive or bad power supply). I plan to try and revive it, but had a question concerning the two. I think I know the main differences between the two. The TCD658000 come with the following (over the TCD652160); a larger (1TB) stock hard drive THX certified has a glo remote Are there any other major or minor differences between these two Series 3 TiVos? Or is this pretty much it?