I'm intrigued by this one:
http://www.crutchfield.com/p_333ASTR....html?tp=20222
This one had more features, albeit a higher price tag too:
http://www.crutchfield.com/p_113DNX5....html?tp=20222
Edit:
This website, http://www.caraudiogiants.com/ has everything for the Kenwood at a total price of $735 shipped as compared to $925 @ Crutchfield.
(DNX570HD Head unit + PAC RP4-CH11 adapter + 40-CR10 antenna adapter + 99-6510 Dash Kit)