Pre-PMA 2008: Canon's Powershot A-Series of digital compacts today swelled with the addition of three new models featuring brand new technology for 2008. The A470 is a $149 7.1 megapixel, 3.4x zoom entry-level digicam whilst the $179 A580 and $199 A590 IS (basically the same camera with lens-shift stabilization) pack 8.0 megapixels and 4x optics with the practical, ergonomic body shape we've come to expect from a Canon 'A'. The Powershot A470, A580 and A590 IS should be in stores from late February /early March.

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