The Get-gambling-links.com shared gambling directory is up and running strong, exchange links easily with only gambling related sites with multiple keywords and descriptions for all your sites. Simple to use and easy to setup the shared directory on your site. Its pretty much a fully automated reciprial link exhange that does not have tons of sites as of yet so you wont be hit with the large push of links in a short period.
sign up here : Gambling Directory
If you have any questions let me know
-Chris