OK, so maybe it's a friendly battle, but a test of mad skillz nonetheless, one that went down at San Francisco's Shine nightclub not long ago. Every notebook that comes with the $80 LeapFrog Fly Fusion pen has this music-making console on the back, so you too can lay some breaks and beats yourself when it goes on sale next week. Perhaps they'll be even better than these cats—you never know. OK, yes, probably way better. Know what? I think I smell a LeapFrog Fusion Fly Pen DJ Battlemodo a-brewin'. [LeapFrog]