Canon chose Tuesday night to reveal its 2009 PowerShot cameras, starting with its high-end, long zoom models. The 10-megapixel SX1 IS is the company's new range-topping camera with a 20X, 28-560mm wide-angle lens and draws on the newer DIGIC 4 imaging chip to make it one of the first non-DSLR Canon units to record video at 1080p. Built-in HDMI output, a hot shoe and the ability to shoot simultan
