This rocks ! Rated 5 out of 5 stars
It isn't often I enthuse about anything, but Aardvark is one of them. It won't be useful to everyone, or most people on a daily basis, but it allows you to remove "clutter" from a page for printing etc.
Another handy thing with this is its' interaction with another plugin called RIP, which will allow you to remove the adverts from a site permanently - RIP on its' own isn't particularly user friendly, but with Aardvark it's a breeze, as it writes the advert filters for you !