Adobe Photoshop CS3 includes all the features you love in Photoshop CS2, plus many innovative new ones. Photoshop CS3 accelerates your path from imagination to imagery. Ideal for photographers and designers, the professional standard delivers new features such as automatic layer alignment and blending that enable advanced compositing. Live filters boost the comprehensive, nondestructive editing toolset for increased flexibility. And a streamlined interface and new, timesaving tools make your work flow faster.
New to the Photoshop family, Adobe Photoshop CS3 Extended delivers everything in Photoshop CS3 and more. Render and incorporate 3D images into your 2D composites. Stop time with easy editing of motion graphics on video layers. And probe your images with measurement, analysis, and visualization tools.
These new editions should be out in spring 2007, read more here