I like the fun feature when I type the site's own URL into the search box. First a message that reads "Do you really want to see the internet implode?", followed by a redirect to the "Google into Google" sketch from The IT Crowd[0].
I didn't. I actually wanted to report a bug with their site, that it lacks any explanation of what it does and why you'd want to use it (eg, does the feedback actually go anywhere?)