Canon has announced three new PowerShot point & shoot cameras.  The SD890 IS features a 10 megapixel sensor, 5x optical zoom, 2.5-inch display and a sub 1-inch macro mode.  The  SD790 IS and SD770 IS both feature a 10 megapixel sensor and 3x optical zoom.  The cameras are priced top to bottom at $399.99, $349.99 and $299.99 and will be available around early April. [Read more…]