Very cool. I've been strongly considering picking up an XL to replace an increasingly well-worn 3DS... but the lack of a docking station included was actually a point against the upgrade. The convenience of having a dock surprised me and now I'm not sure I'd like to go without.
This solves that problem, gives me some nice (real) swag to spend coins on, and is going to be somewhat exclusive to boot. Sign me up. The only questions: will I be able to get online when they are made available, and what color to pick?