Brian Armstrong, CEO of the YCombinator incubated startup Coinbase has been vocal in supporting BIP-101. He claims Coinbase will begin using full nodes with BIP-101 code patched in sometime in December if no other proposal reaches "consensus". Theymos who moderates the Bitcoin subreddit and Bitcointalk, threatened to ban Coinbase representatives if they were to begin promoting software that implemented BIP-101 to the public before a consensus is reached.
http://i46.tinypic.com/i4kead.jpg