On Photoshop CS4
Adobe has announced the availability of Photoshop Creative Suite 4. Priced at US$699, the CS4 version features a unified tabbed interface, enhanced color correction and non-destructive editing tools. To speed up operations, it features OpenGL support and 64-bit support (although only for Windows users). Along with Photoshop CS4, Adobe has also announced the availability of the entire Creative Suite 4 product family.