In Pictures: 15 coolest gadgets at Macworld/iWorld Expo

The Macworld | iWorld Expo in San Francisco is an Apple lover's Disneyland. Ashton Kutcher kicked things off by plugging his movie "iJobs," but the main attraction is the showroom floor where vendors display their wares, everything from iPad and iPhone add-ons to iOS apps to Apple enterprise gear.

iKey

Lots of companies want to outfit field personnel with iPads, but worry about breakage. The iKey StreetCase just might be the answer they're looking for. It's a ruggedized case with a Bluetooth keyboard perfect for dirty construction sites, police patrol cars, and other rough environments. The case allows for swapping iPads in and out. Cost: $495.

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