For all your card trading needs.

Just a private place for us all to go to see if we can swap doubles of cards before resorting to market sales.
Anyone can add members, just invite them.

Here's the go. Find the game you want to swap cards for in the discussion list. If someone has already listed your double, then pm them and complete the trade.
If not, please post the name of the cards available for trade and the name of the cards desired. See below for an example for the steam sale. Once you have traded, DELETE the post.
e.g.
Available: Football Manager, Kerbal
Requested: BioShock, Torchlight, Skyrim