The DSi XL is the star of the show at the Nintendo Media Summit, with the announcement an official price and release date for the system, as well as the marketing material posted above. There are no shocking revelations in the video -- well, aside from the fact that they actually went with "A Larger Experience" for the device's advertising catchphrase. A lesser blog might mention how that sounds like the slogan of one of those commercials that come on cable television after midnight. We'll abstain from making the reference.
The video does a great job of showing the size of the the device in correlation to human hands of various shapes and sizes. Check it out, and imagine what that Squiggle Pen-sized stylus will look like in your own meaty grasp.