I bought the Sony model whem they first came out, I used in my Truck and my shop, then I bought the Delphi SkyFi model for my car and home, then I decided to buy the new XM ToGo and leave the SkyFi at home all the time. I mounted a special antenna so I could keep it here in my basement computer room (The Dungeon)
I really like the Delphi ToGo model, it works very good as a portable