I got a Blaupunkt.... it was plug and play. I did it myself and took 20 min. No wire harness or anything. Just pulled the old radio out, unplugged it and plugged in the new radio. Crutchfield gave me all the keys and stuff needed. I got the London and payed 130 total for everything (I used a 20 dollar coupon code that you can find all over the net).

Only problem, the radio will not stay on the front aux jack. If I turn it off the radio resets to the radio. Very annoying but it may just be a setting I haven't figured out yet. If anyone knows, let me know.