I, too, am a Bears fan having been born in Chicago -- Cook County Hospital represent. Anyhow, I think I'm not as kind as Little Eddie as it's time to move on from Grossman. While he has had some receivers drop passes, his decision making skills are subpar compared to other quarterbacks and he has lost what edge he seemed to have last year.
I don't believe you'll see him brought back next year and the answer at QB is not currently on the roster. I think you need to bring in a veteran free agent or make a trade and then go out and get one of the Big 5 quarterbacks that will be available in the draft this year.