I'v found this to be a great event for first time painters and a night out with your girlfriends. As an experienced artist, it's as basic as you can get out of an "art experience". It's not an art lesson. My girlfriends were elated that they were able to make a painting.
There were roughly 45 people in our group and the teacher has to yell over people talking. She did a great job for the amount of people. Our bar was downtown Toronto and very accommodating. We had our own separate room and everything.