Excellent stay at Tani's place - everything was as described, she was very responsive, the location is unbeatable, and in general everything just went very smoothly.
Things I loved: the location is the real winner here. You're not booking a studio in NYC to spend a lot of time inside the apartment, so location is critical. This location is amazing. Directly across from Fort Greene park, a sub-10 minute walk from the C (and other) subway lines, and a seemingly endless supply of great restaurants and shops.
Things to watch out for: I was traveling alone, and think it would have been tight for 2 people, personally. I also found the bed to be acceptable, not overly comfortable. Certainly wouldn't say the bed-comfort was a strength of this listing. If you are a finicky or sensitive sleeper, I'm not sure you'll love it. I'm 6'2, so I had to go diagonally to fit in the bed. Net net, it's a very small studio, and everything is smaller!