I just visited a place called Smoque BBQ in chicago and let me tell you it was finger linking good.
I had the the brisket sandwich I ever had with a sample of St. Louis ribs to die for.
They also been featured on Drives Dine Ins and dives here is the link:
So if your in Chicago you need to check this place out.
They are located:
3800 N Pulaski Rd
Chicago, IL 60641-3139