Taiji Classifications

[DMK]

In the scene of yang style taiji there are a lot of varations. Some I know very little of. Anyone care to discuss the charcteristics of the following systems .Please excuse me in advance if I spell some sytsems wrong.The systems are:

Imperial Taiji
Dong Famiily
GuangPing
Michuan
Ip Tak
Vincent Chu Taiji
Wong style Taiji

[Takuan]

I took a Guang Ping seminar at Taiji Legacy 07, and in the words of David Chin: "This is an ugly style" But he could beat the ever loving **** out of me with it. :P