You've seen him play a slimeball in "Circle of Friends." You've seen be hen-pecked by an ape in "Buddy." Now the incredibly dishy star of the revival of "Cabaret" has his own fan club and mailing list. This list is for Alan Cumming fans to talk, drool and share information. (Warning: This list generates A LOT of mail, so if you don't want a bunch of messages, subscribe to the digest version.)