I've never taken yoga here, but I'm a regular at their Pilates classes (across the street at Devi, their second space), and I love them. I've tried Pilates in studios all around Park Slope, but this is far and away my favorite. They have great teachers, challenging classes (not too easy, not too punishing, not too slow, not too fast), and a large, airy studio. (I used to love their modern dance classes too, but they haven't been offered for a while.) Oh, and I love that they're so close to Tea Lounge -- great for a snack before or after!