And while I'm executing a core dump of menu extensions, here's another one that's fun:

DayPop Links

After installing this, the menu entry "DayPop Links" appears when you right-click on a link. When you choose it, a new window pops-up with the search results for that link at DayPop. (Thanks DayPop!) If you read a lot of weblogs (like me) and you're curious about what others are saying about any given link, this will do it. You know the drill: Win/IE only, this installs it:

DayPop Links Setup
(right-click, Save Target As..., click to install.)