You can go to Fathom.org’s “Heads Up!” board, or to the Unaboard’s “Jibber-Jabber” board.
Fathom is OpalCat’s site, and the Unaboard is Anthracite’s.
Exprix, odieman, and some other Dopers have entries at www.livejournal.com, but I am not too familiar with getting around that site. Here’s an example.
Lastly, you can always check www.teemingmillions.com.
I am kindof partial to James Randi’s message board when this one (the most important) is down.
James Randi hosts a message board? IMHO, that’s the next best thing to Carl “Demon-Haunted World” Sagan (now completely given over to biological entropy, sadly) having one.
Woo-hoo! I gotta get meself to google. 
Here it is
I highly recommend it.
I am registered as psy kick.
I see what I did wrong.
Lemme correct it.
Hey vanilla, Great Site! Thanks! 