My 14 year old son went to the American top team up in Port St. Lucie, FL over the summer when he visited his mom. He crushed their more advanced guys and the instructor said they do real jj not that "beach bum stuff" before he crushed them. All of the students were cool with him but the instructor was kind of a dick to him. He rolled with the instructor once and all he did was muscle him to hold him down. Its funny a bjj brown belt scared of a 14 year old 10th planet white belt. So ATT is not so 10th planet friendly, but its a place to train for a bit if you have to. They charged him $10 per class he wanted to do while he was there and I guess thats decent I'm not real sure.