Looks like the ultimate mod if you are into DVD/NAV systems. The retail price for this puppy is $2,200 but I can get it for $1,400 on ebay. As long as I can install it myself or get it done for cheap, it will defenetely be a good deal. For those who don't know what the AVIC-N1 looks like:
www.avic-n1.com
www.avic-n1.com