Premiere XL4-compare to Roamio Plus and Bolt+

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...

Premiere XL4-compare to Roamio Plus and Bolt+

Premiere XL4-compare to Roamio Plus and Bolt+