I just recently bought a "new" car and with it a used Avic-N2 off eBay.
I had the system as well as some accessories and add-ons professionally installed by CarToys.
Here is my setup...
2000 Land Rover Discovery II Series
Avic-N2 Head unit and brain
XM tuner
Microphone and wireless remote
All the above is wired into the car which is factory - no extra amps or speakers, just stock.
I will mention though, that I did bypass the unit with the solder trick and the ground wiring. It is essential to me to be able to make on-the-fly GPS changes -- I do not care about watching movi