I like the idea of a CD exchange, too.
Maybe a 'Collectors' Corner' would take that in so we could have threads on CD exchanges, and there are a few folk here with vast vinyl collections, not for exchange, but for listeneing and sharing knwledge. Also Collectors Corner could includio threads on Hi-Fi Audio Equipment, DAB radios etc. and on PC audio stuff like noise recduction, making mp3s blah blah.....
Collectors Corner is a bit 'corny'
So maybe suggest to Michael a name for a section on CDs, vinyl, Audio, PC audio etc
John W