In the market for an iPhone? Here's a breakdown of all the currently shipping iPhones from Apple.
iPad Apps: Things, Square, Sketchbook Pro, Warpgate, Magic Piano
Things - iPad task manager
Square - Mobile credit card processing. Get a free reader for signing up.
Sketchbook Pro - "professional-grade" paint and drawing application
Warpgate HD - space exploration, trading, battles and quests.
Magic Piano - perhaps more a musical toy than instrument