Mucked around with a Strange Food swiki. It's cool, but, takes a fair amount of care and feeding. Dunno if I'll ever really get it tuned. I use it for researching posts and I can see how it could sing if you had a few people banging on it ...
The "wiki" in the swicki
swicki: "we released a nifty new feature on the results page that allows any user to delete, promote, edit or add search results right from the results page. Now, in addition to the 'implicit' votes that users cast by clicking on results, they can vote 'explicitly'."