The BoostTurbine 4000 is a reliable gadget charger for when you need extra power, but it's too big to slip into a pocket for everyday use.
A bright, wide-angle lens and a high-sensitivity sensor add up to very good low-light photos and fast performance for the Canon PowerShot SD4000 IS.
The addition of enhanced video connectivity options cements Yamaha's already excellent Digital Sound Projector technology as the go-to choice for single-speaker surround sound.
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Microsoft's ergonomic keyboard is comfortable to use and supplies a few useful extras.