We had a member suggest the idea of a "fruit exchange" category, basically like scionwood but for the fruits themselves. You could posts wants / haves etc. Other than fruit vs wood it would be identical to the scionwood category: the two parties work out the terms. The reasoning behind it is two people may have various varieties/fruits that the other person would like to try but can't find. Its a bit harder to trade fruits due to differential ripening, potential over-ripening, etc and also the shipping is more so its not quite as easy as wood but on the other hand tasting something before investing in a tree could be worth a lot.
Please tack on your opinions below!