Funny, you mention the Broderick. I emailed the "info" link on their website the other day asking for rental price points, but have not heard back from them yet.
Well, here is the expansion to the current space of the Greektown Casino:
...and the new portion (hotel and garage) at Monroe and St. Antoine
MGM Grand Detroit Casino
The rendering for the Motor City Casino can be seen on Emporis by following this link:
http://www.emporis.com/en/wm/bu/?id=149256