Let me see if I can take this one:
3-4 TV's: 1 HDTV, possibly 1 Tivo
For starters, get an oval dish with 2 dual lnb's. 1 for the satellite at 101 and 1 for the satellite at 119. This will have a 4x4 multiswitch, capable of 4 separate outputs.
Get 1 HDTV directv receiver, it will utilize 1...