As TOYB said, the old forum is locked down and will be nuked... eventually. Moving everything over is essentially impossible, and I'm sure some people will be happy to have a fresh start. The new forum offers several great new features, including the same sort of customization available to us on the site itself (which means anything on the forum can be copy/pasted directly onto the site, which is infinitely useful for FSG). Besides the obvious posting perks, registering allows you to track all posts (including updates to the site) made by a member and view a chronological list of site updates (like the recent changes on wikipedia). Theres probably a ton of other stuff which I haven't discovered yet, too.
In other news, I'd say the move is almost done. There are still some things missing, but all the vital information has successfully moved over. I recently finished the new and (imo) improved http://www.imperial-library.info/content/translation-dictionary. It includes 50 new terms, and more are to come (some of which haven't been seen by man since 2002
).