welcome to the site Joe!
Any headunit w/ an Aux input jack should work...
Here's a site I found w/ a list of ipod friendly headunits:
http://www.caraudiodirect.co.uk/help/ipodfriendly.html

Any headunit w/ an Aux input jack should work...
Here's a site I found w/ a list of ipod friendly headunits:
http://www.caraudiodirect.co.uk/help/ipodfriendly.html