Short link from an APTA link. Some years ago they purchased and refurbished a couple dozen gallery cars from METRA in anticipation of the service.
http://www.cfte.org/elections/2446/wayne-oakland-macomb-and-washtenaw-counties
Well the vote was really close maybe next time. If you ask me though they should concentrate on rebuilding Detroit for now and improving Amtrak Corridor service between Detroit and Chicago.