POCKET market on Bitshares.It's a good idea! The alternative is to get a BItshares account and trade POCKET there via @virtualgrowth's gateway service:
The gateway: https://steemit.com/pocket/@pocketexchange/exchange-p-o-c-k-e-t-tokens-between-steem-and-bitshares
This weeks trading post for POCKET TOKENS on @classifieds https://steemit.com/pocket/@classifieds/buying-and-selling-pocket-tokens-make-your-offers-here-week-3