I just downloaded MazzleUI a couple of days ago and have been using it ever since. I do not know how I got along without this thing! It's absolutely amazing. I thought I'd pass this info along to the community because I'm not sure how many people are using this thing.
You can download the add-on from wowinterface at http://mazzlefizz.wowinterface.com/portal.php?&id=103
The coolest part about this is you just back up your Interface folder and replace ti with the one in the zip. The next time you log on you get an installation screen that walks you through the configuration. You can choose what you want and then it will set it all up for you automatically.
Anyway, thats enough of my glowing testimonial, you can check out screen shots here http://www.discordmods.com/cgi-bin/showUI.pl?msgnum=1001