This stay was amazing. I was on the fence about renting a private apartment for myself, because I wanted peace and quiet, but I'm so glad I chose this place. The apartment takes up the whole building (six floors I think), and is beautiful, clean, comfortable, full of interesting items and conveniences, and quiet - I hardly bumped into anyone else during my stay. The shower has a Jacuzzi tub with jets! There are three separate rooftop lounges! Multiple rooms to hang out in comfortably! Marble counters, a view of the Chicago skyline, good central A/C, windows that I can open if I want a little air...
David himself was part of the positive experience, as he is low-key, warm and helpful - he even carried my bag up several flights of stairs to my room, offered me beer/wine that was left over from previous parties, gave me recommendations on good places to try out. I was a little shy about staying in such a fancy place, but I felt more like a friend of the family from out of town than a paying guest. I will be recommending this place to friends who travel to Chicago, and will check the availability when I plan to travel back to Chicago myself.