I've missed most of the Delicious Library discussions but if I had to ask for one feature that would make Delicious Library 1 more useful to me it would be to be able to create eBay auctions for stuff that I own and that is recorded in DL. I have to confess that once the data is in the library it doesn't serve much use beyond syncing to the iPod so that I can check to see what I already have or allow others to browse in case they want to borrow something.