AVS links

Winamp Forums
The official AVS forums on winamp.com

deviantArt
One of the largest groups of artists of all sorts on the internet

visbot.net
"A group of visualization artists, being organized like a record label"

AVS tutorials

AVS primer by Atero
AVS tutorial by piR
AVS Programming Guide by PAK-9
the unofficial FAQ
A list of AVS documents on visbot.net

Fun links

Pi in 100k digits... just for fun.. or grab the 50 million Gzipped version here =)

I just might add more.. Or not.