Why did I like WetPaint and PBWiki? Because they were drop-dead simple to get in and setup. Just enter a URL. I didn’t like Jot because they forced you to look at too many choices before you got to that stage. But, Jot just shipped a new version and WOW it’s a lot better and once you get in it has a ton of features too. I like how it shows a normal, non-geeky user, what’s possible once inside too.
What wiki tool passes your “Blink” test? What is important to you in a wiki tool?