Tivo is when you can fast-forward, rewind, and even pause live television. I believe you can get it with any cable company..
Tivo shows can't not be played on iPod only they are converted to be MP4 format. So, you need a tool to help your to convert the Tivo video to MP4
You must activate your Tivo DVR on your netflix account and then you can watch netflix through tivo.
Yes, if the unit has a built-in tuner for HDTV.
tivo? What is tivo? I know a wonderful software called TOP Video Converter which could convert all video to pop formats as you link. You can check here http://www.topsoftwareol.com