CARRY-ON CHAMPHere's a carry-on that hauls like a suitcase and scoots like a wheelie. The 3,112-cubic-inch interior assimilated a week's worth of traveling essentials for Caribbean island hopping. Close the telescopic handle and stake out your turf in any overhead bin. With water-bottle holders and a headphone port, the zip-off portion proved a perfect companion for day-tripping around Cozumel.Bonus: Bomber construction withstands airline luggage gorillas. Bummer:Bummer: The handle doesn't recess flush with the bag.