BJJ as an internal art--discussion forum
I've posted this guy's link before, as I really liked his definition of Taiji. But, looking over the site more closely, I found that he also has a discussion forum, and he answers questions himself. I believe he said he teaches his own mixture of Bagua, Hsing-I, Taiji and BJJ as his school's core art, and he refers to BJJ as an "internal art". I've found some of the discussions pretty cool as he seems pretty knowledgeable about both "reality" based arts AND "traditional" Chinese internal arts.
http://www.shenwu.com/discus/index.html