Some more pros to moving to a WP based forums:
1. Cleaning up things that 99% of people don't use, just look at all this:
I think things like that scare off many new posters. Hyperlinking, italics, bold, should all work the same as microsoft word or gmail, no need to have some buttons like on SMF for it...
2. Integrate with DDMS would be huge, it would give a single website experience which would easily integrate great content from what is currently 2 sites.
3. Based on point 2, the deals section would be able to be optimized to get more views, have a real voting system, easier to scan for good deals, and not clog up the unread messages on DDF, as it'll be more sortable.
4. With it being easier to access from DDMS/a more user friendly format, that means more users joining, more information being added to wikis, more trip reports, yes more noobs initially, but I think people can realize with time noobs become very helpful users as well.
5. Integrating with comments on DDMS for usernames, so you can know/recognize who you are talking to on a DDMS post.
It's a long road, and I think
@Suave can design an awesome WP forums that takes the best of what DDF SMF has to offer and simplify/add to it on WP.
I think the most helpful comments here would be what reasons people have for not or for moving, and what is their wish list for new features as well as features they do not want to change, i.e. we need wikis, we need all the image codes from BBCode to be integrated, etc.