I have stayed at Derek's place twice in past year, each time for two weeks . It is ideal for my needs which involve seeing family in the West Loop. The location is great as it is close to many of the great West Loop restaurants as well walking distance from River North (further away but if you are someone who likes to explore a city on foot, it is a nice walk). There is a HUGE grocery around the corner. The building is quiet and well maintained and the unit is nicely stocked with enough of everything--coffee, kitchen equipment, laundry soap, towels, etc. Both bathrooms are extremely clean and lots of hot water and towels. Derek is a responsive host and quickly answers all questions and concerns.
After two long visits it feels like my home in Chicago and I look forward to visiting again.