Stayed here for a month in September. The place was clean, had plenty of room for 3/4 people, and had great amenities (gym, outdoor space, parking spot - to name a few). In addition to this, the building has 24/7 security/front desk concierge.
The location was perfect and had mountain views! A very short walk from Union Station, many restaurants, nightlife, Coors Field, Larimer Square, etc. Everything you need for a trip to Denver!