This is a great LG user test: http://www.youtube.com/watch?v=uaSN9agcKeE&feature=related

Here's a (modified) Neato (Vorwerk Kobold) that doesn't look like it's out of the 80's: http://www.youtube.com/watch?v=UqkcTaBWP38&feature=related

The Neato is so powerful it's eating the underpad through this guy's carpets, or he's got one hell of a dirty floor. (Wow nonetheless): http://www.youtube.com/watch?v=fu5HtZ5eydk&feature=related

I checked out some other reviews/videos and they're pretty impressive.