Forget about AOL ... Unless you kept your coin at an online exchange, old emails will not help you find your lost coins.  You might find an address, but what you need it your private key.  Your best bet it to find the computer or hard drive you use to do the mining.  Search the entire harddrive for wallet.dat files.  If you find old harddrives, USB thumbs, CDRs you may have burned backups on, stick them in your computer, search the entire drive for wallet.dat files.