I'm on my way to Chicago. I'm already stopping at three Floyd's. What other must stops are on the way?
18th St. is definitely a great spot to stop by. The new Lagunitas Brewery is enormous and quite cool as well. If you have time early tomorrow and want to do a brew tour Half Acre's is my favorite but they cap it at 60 people and you need to be there around 10:30AM to ensure you get in.
Check out Delocks on Calumet Ave (about a mile north of FFF). Also, check out Liquor Stop in Highland which is the next town over and is only about 10 mins East of FFF on Indianapolis Blvd.