After installing and being underwhelmed with jscookmenu (it worked, but not what I was looking for), I installed this menu. First, I have to say WOW! What documentation! The module (that actually displays the menu) is installed as part of an admin component that is the most feature-rich free extension I've ever seen. Not only does each page have very nice illustrated help, there's a 30+ page PDF manual that you can download as well. Just tell it what you want the menu to look like (they've even got a color-chart picker!) and tell it to publish it. Voila! I was looking at it for a second Joomla! site of mine, and was so impressed that I put it in production on my main site (www.backupcentral.com). NO Javascript, DHTML. And the menus look really nice!

This extension is a prime example of how to make money with open-source software. This version is free, and it's awesome. Then he offers an even fancier version with even fancier-looking menus for $50. For what I'm going to do, though, I'm going to stick with the free one.

I do have one minor complaint. If you enable the cache option, there's a bug in the code that the author is aware of and has a fix for. See this web page: http://www.swmenupro.com/index.php?option=com_smf&Itemid=302&topic=4670.0
But he said he'd fix that in the core code back in April, and it's now July. It's a one character fix. Either turn off caching or add a digit in the code; it's up to you.