Retro games are a blast ... after booting the Leapster or LeapPad2 into “Surgeon Mode.” Since the stock bootloader remains intact, you can always return the LeapFrog to its default state ...

it looks like Toys R Us will be selling the Leapfrog LeapsterGS ... it seems, and the Leapster GS is powerful enough to play all those Nintendo, Game Boy and even MAME games.