Hello, I have a Tivo Bolt installed in our main viewing room. I would like to add an additional unit into another room. Am I better off getting a 2nd Tivo Bolt instead of a Tivo Mini? I can get a refurb for only $30 than I see the Mini for on Amazon? What are the advantages/disadvantages of...

Specifically, I have 3 Premieres (2 XLs and 1 XL4) on cable cards on a home ethernet network and would like to add an OTA Roamio paired with a mini: Can a TiVo mini "see" other TiVo recorded content or just the one TiVo it is paired with? Can an OTA Roamio that is paired with a mini see AND...