Leapster inadvertently (or not) spilled the beans on a forthcoming learning handheld way back in May, and with nary a peep from the company, it has managed to launch said unit just as the next school year was fixing the start. The $70 handheld ain't the cheapest in the world, and considering that the "learning" cartridges are $25 a pop, it won't take long for this investment to get serious. USA Today's Ed Baig managed to wrangle one for review, and while he certainly let his kids do the dirty work, he couldn't help but express frustration by the inability to use older games with this new system. Forward progress aside, Ed found his kid