I have been looking for the same thing latly, as i just bought a new car with no radio. I had today off and went around to a couple different stereo shop and his is the model I've decided on.
http://www.pioneerelectronics.com/pn...159496,00.html
Their going for under $300 shipped on ebay. It has been getting great reviews, I like its suttle classy looks too.
Like the others have said it seams Pioneer has the best Ipod controlls.