Visit About Legacy Coding, a site concerning COBOL development. Registration is free. Make sure you check out the article archive.
Update on "About Legacy Coding" - The site is apparently dead and the old URL is now owned by someone in the adult entertainment industry. The above link has been changed to point to the original web site's archive in the wayback machine. You'll be presented with an option of snapshots of the site.
Also look at newsgroup alt.cobol, available through the CIS news server, news.cis.ohio-state.edu.