The best place I've stayed at in NYC! Joyce's place is large, with very comfy beds, and adorned with her artwork that gives it a lot of great character. The A/C worked great, even during a heat wave. The kitchen was stocked with snacks. The location is perfect: right by prospect park, the subway line, and a ton of great shops and restaurants.
The only complaint I had is that you can hear the upstairs neighbors walking around, and that can be a bit noisy. I'd recommend bringing a white noise machine if you plan on sleeping in late.