It’s no Ricochet, but Apple’s Airport card does open up plenty of potential for easy, high-speed, wireless Internet access — just without any range. So where can you hop on? Apple has a useful guide to some fledgling services in a special report on its Hot News page. Sites are extremely limited: Starbucks, hotels, and airports (the ones with airplanes) are frequent suspects. So where have you found to hop on Airport networks? We want your tips. E-mail them to us and expect a special report soon.