> The battery also lasts a week or two, with some clever software tuning so it runs at a lower polling rate when not playing games. It charges in an hour or two.

Granted that I'm not the most avid gamer, the mouse I use on my gaming PC setup is a Logitech G604 Lightspeed which gets the better part of a year on a single Eneloop Pro AA battery, which I can swap out for a charged battery in seconds when it finally runs out of juice.