Try these guys:
http://www.americanhobbyist.com/
no mileage restrictions at all but you need a garage and can't drive the car to work...
Cobra 265, Mustang 122 300/500/500 250 ded , towing, uninsured motorist, all the bells and whistles. I have been with them for 5 years... all is well
And they supply the AZ insurance card for you. You need to check and make sure that everyone else supplies that, some of the smaller companies don't...