Thanks for all the great suggestions - right now we are leaning toward either The Crossing or Tony's. I doubt there will be room for Ted Drewes afterwards, but we have had several prior occassions to enjoy that delicacy!
BTW, those of you who surmised that she is a WashU student are correct. aa4ever - I hope you and your son liked the school. Our daughter is getting a fantastic education there (as well she should be given the price of it!!).