Michigan is a state that would naturally be heavily outraged by recent obama administration moves on homosexuality and immigration.
Michigan isn't particularly hostile to gay rights. The Republican state legislature is intent more on turning Michigan into a Duty-to-Starve ("Right-to-Work") state in all but name, but that can be turned around fast. Immigration is one of the possible solutions to the state's sagging real estate values. I see no reason to believe that Michigan would be going against nationwide trends on immigration or gay rights.
I'd love to see PPP, Marist, or Quinnipiac do a poll not only on Presidential support but also on gay rights and immigration in Michigan.
Michigan was one of the first states to rally to defend marriage, and has one of the strongest measures on the books. And who the heck is going to immigrate TO michigan?
Michigan's Macomb county is of course the prime example of Reagan Democrats, as stan Greenberg noted. Democrats fled to Reagan due to the following, which Obama has thankfully repeated.
Democratic defectors left the Democrats because they believed the party had turned away from them, prioritizing special interests, particularly unions and minorities over middle class interests.