On module writers and usersbulknews.typepad.com Tatsuhiko Miyagawa's blog to discuss mostly tech and nerdy stuff. Yusukebe wrote an excellent post regarding Module writers and users in conferences like YAPC. He said he could not find many talks from developers who uses CPAN modules and software, rather than who writes stuff. The post is written in Japanese but I guess Google Translate would give you a gist of it pretty easi
