Hello Gerry,
1. Yes, You can have two setups. One to Watch TV with Surround and another separate activity for Watch TV with TV Speakers or whatever. You would just go through the wizard for each activity and answer the questions properly for each setup. ie. Do you listen to the TV with your receiver?

2. Yes, you can. I am not familiar with that sat. system but I was able do this with my DSS receiver. It is a little cumbersome to bring up the guide but you could remap a button for this. After that the hard keys allow you to move through the program guide, up, down, left, right, center button being selection etc.

3. I live in the states so I am not sure. However I know you can order directly from Harmony.