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Sometimes you need a physical keyboard to get stuff done, but most are less than full-sized which frustrates some typists. Enter the Logitech, which serves as a case for the iPad for transport, yet opens into a full-sized keyboard.
The Logitech uses a unique butterfly technique for transforming from case to keyboard, and is an outstanding keyboard.
Logitech site $130
If a separate keyboard case is not your liking, turn your iPad into a full iOS laptop with the Clamcase. Available in black, white, or a special Storm Trooper Edition, the Clamcase is a protective case for transporting the iPad.
When it's time to work just open the lid as on any laptop, which exposes a full keyboard complete with special keys to control the iPad. The case can be used folded flat as a tablet, as a stand for watching video, in addition to full laptop operation.
Company web site $150
The Piano Master combines a real electronic keyboard with an included iPad app to teach the piano to budding musicians. The keys light up on the keyboard during lessons, and the iPad screen shows exactly where the fingers should be playing.
This was unveiled at the CES 2012, and looks like a great method for learning the piano.
Company web site Price not provided at publication time