Just in case people on here haven't noticed because their Bookmarks/Favourite Links are still taking them to the 'performing an upgrade' message page like mine did, the Scoundrel Art forums are in fact back up and running at a slightly different location. I hope it doesn't break any rules here by posting a link to the new main index page for the site:

http://www.scoundrelpublishing.com/spart2/index.php