Advertisements I love everything about my XL4, but it is slow and getting old. How would these other 2 models differ, on these points: 1.Recording-tuner lights on the front panel, 1 for each tuner. 2.Programming interface. I know how to schedule programs on my XL4. Is this different on the other 2 models? 3.Have to hook up to tuning adapter, with XL4. 4.Have to hook up to router, with XL4. 5.Would my XL4 remotes work on the other models? 6. I use Tivo Desktop for transfers. It is slow, but it works. Does this work on the other 2 models? If so, faster?