My 6-year-old son has spent the last few months begging me for a handheld gaming console. It's not something I was actually considering getting him anytime soon. That is, until I checked out the LeapFrog LeapFrog Explorer ($69.99 list). Aimed at the 4- to 9-year-old set, this device is meant to be not just a gaming platform but also one for learning. Full story...