Statewide, you hsve to include Tapawingo In Ellsworth as one of the best fine dining restaurants. And the best cherry pie is at Grand Traverse Pie Co. in Traverse City (but they now have several stores around the state).

Here in the Detroit area:

Corned Beef sandwich - Star Deli in Southfield

Traditional Italian - Roma Cafe in Detroit

Southern/Soul food - Beans & Cornbread in Southfield

Thai - Rexy's in Royal Oak

Mexican - Xochimilco in Detroit