Ah, Usenet. Another glorious expense of time. Many an hour can be spent here, talking to and from hundreds, if not thousands of people you'll never know, or never meet. So here, you'll find a cross-section of those groups I do frequent. You may want to give one or two of them a gander.
alt.books.larry-niven
Larry Niven, one of my favorite Science Fiction Authors.
alt.destroy.the.earth
Rampant discussion about the best ways to commit geocide.
alt.fan.fred-perry
Fan group for Fred Perry, creator of the "Gold Digger" comic book.
comp.mail.eudora.mac
Qualcomm's Eudora Mail client for Macintosh.
comp.sys.mac.apps
Macintosh Applications of all shapes and sizes.
comp.sys.mac.comm
Macintosh communications Applications, such as Netscape, Newswatcher, FrePPP, and etc.
rec.arts.comics.marvel.universe
Generic Marvel Comics newsgroup.
rec.games.frp.dnd
AD&D, TSR's mighty cash cow RPG.
rec.games.frp.gurps
GURPS, Steve Jackson Games' primary RPG
rec.games.frp.misc
All other miscellaneous role-playing games.
rec.games.roguelike.moria
Moria, a text-based solo adventure game. Hours of fun for the whole family.