Slightly bigger than expected from the photos. Enjoyed the courtyard area. Didn't experience any noise issues from neighbors, but did use a sound machine throughout the night. A/C unit worked well to heat and cool the unit efficiently (we were there in October when temps were bouncing from 30F to near 80F).
We had a car, and even though it was a little stressful every time we returned since the streets were packed, we got lucky every time and never had to walk more than half a block from the parking spot at most. Neighborhood was cleaner and felt safer than expected.
The stairwell is open into the the apartment, but you can lock the door at the bottom. We needed additional towels and Allison was prompt in providing them. Loved that the apartment was so well lit, warm lighting everywhere!
Be aware: this unit does NOT have a washer and dryer, so plan accordingly. The tub and hot water were nice after long days of hiking. Only downside we saw was that there is no television in the living room/kitchen area, and only a very small (32"-36") television in the bedroom. Didn't matter much to us, but if you're planning to veg out on the couch in front of the TV you'd better bring your own. Kitchen was beautiful and appreciated the coffee beans and filters. Some of the pans/dishes/etc are due for replacement.
Overall, this met our needs and was better than expected. Easy access to highways, 30 minutes to Boulder, 1 hour to Colorado Springs.