Oh YaBB has a ton of mods that you can add (community built) abd the next version comes with those best mods added to the core product.
-ChrisM
Great! Already looking forward to the new forum (though I have only been using the current one for about three weeks)!
More annoyances/bugs (or should I say features?) to explore 
to answer a question earlier in the topic, get the source here:
http://prdownloads.sourceforge.net/yabb/YaBB_1Gold_SP1.3.1_cgi.zip?download