sounds good to me. ALthough we have to be very careful that we don't start getting into trouble with tax laws and copywrite issues. there would also have to be a 'no illegal copies/bootlegs' rule as well.
On the uni forum I am on people trade books between themselves all the time - seems to be OK as long as it is done through PM as a private transaction. there have been a few magazine trades in the past haven't there?
definately a case of caveat emptor,
this should be in the suggestions thr+ead though