Talking about AOL Disc Mailers, while writing up this tip, I found out that there is actually a Yahoo Group dedicated to collecting em! Check it out at aoldiskcollectors : AOL disk collectors - Buy, sell and trade your AOL cds and disks!

While you're at it, check out eBay as well (eBay - aol disc, Software, Computers Networking items on eBay.com)