Overall, NOT worth too much. Just be prepared/warned.
I speak from experience, since its opening, Motor City Casino has declined rapidly.
Overall? NOT worth too much time or money, because of the guaranteed bad experience. 
I still play there, but I am better prepared. I hope to better prepare you.
Casino:
Slots, fairly decent in my opinion; through out entire casino are various good slots; some days are looser than others. 
I believe they abide by the %.
Tables overall good dealers, friendly and professional.
Expect people to beg you for money or steal. Seems to be a lot of homeless in there.
Hardly can find a waitress. Hit/Miss on service and attitude. Save the dollar - get it yourself at the beverage station. 
Beverage Stations: I have seen 3 and base my review on them (4 counting poker room)
2 on first floor opposite ends of the casino. 1 on second floor in the corner.
Sodas & Ice run out quickly. Coffee, if you like black, because there usually isn't any regular sugar or creamer. Usually dirty with spillings or not enough cups.
Bar & staff at lower front bar off escalator, AVOID (unless you need matches which are "hidden" behind the bar. I guess those matches are more expensive than the $11 on a pack of cigarettes?). 
Go to the back or upstairs, better service.
Restrooms: Dirty almost always entire casino. I suggest the one near the food court on NON busy days. Other than that, be prepared dirty: floor, stalls, wash area. 
Food: Buffet crowded always at dinner time. Some employees hygine I call into question- Eat at your own risk.
Business Center: good for quick computer use
Gift Shop: Over priced cheap or broken merchandise. Good only for a soda/toiletries.
Hotel Decor: Outside nice and posh.
Hotelroom: DIRTY! Don't take off your shoes. Don't leave things on the floor/in drawer.
My last visit June 2012, seen some powder around bed and outlining the corners of things. 
Wear the complimentary slippers in the shower. Lysol your toilet seat. Don't drink from cups.
Don't remove things from the mini bar, unless you plan on paying for it.
Staff will enter your room. Secure your belongings at all times expect a "visit".
Don't make Long distance calls they require a $7+ surcharge.
You will usually find 1 thing not working or missing. Whether it be the remote, towels, scale, lights, mirror, etc. Make sure you are not charged for missing items, the robe costs $99.
The area is rundown. Do not attempt walking outside. Catch a cab to downtown.
Sad and honest review. 
If you are looking to have a good time, I suggest the other casinos Greektown or MGM.