Nice Stay
I stayed at the MileNorth 3 nights in May for a conference. The hotel is in a great location. Just a block from the Magnificent Mile and 3 blocks to Lake Michigan. The conference facitlities were nice and the food served for breakfast and lunch was good as well. Not gourmet but conference food never is. The gym was typical hotel: 3 ellipticals, 3 recumbant bikes, 3 treadmills, some free weights and a couple of weight machines. The staff was very friendly and helpful when needed. The rooms were clean and up to date - although not enough counter space in the bathroom for me. 
My only complaints:
1. The elevators are slow - I wound up taking the stairs alot.
2. The rooms are noisy - I am a light sleeper and I had a hard time sleeping through the street noise (I was on the 22nd floor) - I picked up some ear plugs at Wallgreen's around the corner after the first night and it made it better but there are still sirens all night.