I think it's a good idea... mostly because I've never really ventured into the BST until today when I decided I wanted to try trading a game and found it hard to find the game trade posts in all of this
I like the idea of a built in ref system. but even just text is flawed. I'm sure there some IPB/vBulletin plugin that would fit the bill. (I know there's one called Trader Ratings or iTrader or something). Despite the fact that XS takes no responsibility for any of the transactions such a device would probably cut down on the number of complaints and spam posts "because so and so riped me off".
I like the idea of the person with the lower number of refs shipping first, it would encourage people to build their refs as well and theoretically the person with the most refs would have the lower chance of scamming you.
But then it goes back to the text based system and people could just be making refs up.
we could maybe find and recommend escrow services so ... I put $60 into the escrow and you send me the game, when I receive it I send you the game and can get my $60 back (less whatever minor charges). Or it could go both ways where both parties put in the $60...
I don't think we should force anyone to perform their tranactions any particular way, I think that's getting TOO involved where we at XS would have more responsibility for not making sure people where following set transaction procedure. Giving friendly suggestions would be good though.