Uncle Wiggily: The USA has its own message board that may be older than Pprune. Pprune is geared toward European and Middle East work. No big secret..check out
http://www.airlinepilotforums.com/
Looked at that one... they don't let you join unless you use a 'non-free' e-mail address.. !! ie. If your e-mail address is Hotmail/Yahoo/G-Mail etc... no good.
What a bloody sillly restriction. Who dreams up this cr@p ?