Just spent 2 nights at Fairfield Inn and Suites in downtown Chicago, with my wife and 2 year old. The hotel experience was excellent in every way. All the hotel staff we encoutered, check-in, room service, valet and cleaning persons were very friendly and professional. We had a King Suite so that our 2 year old could sleep early and we could still have another room to watch TV, read, etc., and it was wonderful. When we arrived, I asked where we could buy some milk for the baby and the front desk clerk said they would just bring some to the room. Within 5 minutes of getting to the room, some milk arrived. By that time, I realized I had not requested a baby crib so the guy turned around and had a crib back up to us in 5 minutes. All with smiles.
The breakfast was included in the room rate and had the standard continental fare, plus make your own waffles and surprisingly good prepackaged Jimmy Dean breakfast sandwiches. It was very busy but they did a good job of keeping things stocked and clean.
The location is excellent, on Ontario a block or so from Michigan. We walked to the museum campus, millenium park, navy pier, etc. There are unlimited restaurants within walking distance and of course all the shopping most people want on Michigan Ave, Watertower, Northbridge, etc.
We have stayed in this area for long weekend stays and business trips many times and this is our new favorite place.