[iMore.com]

It's no secret that Adobe Photoshop reigns supreme in the world of digital editing. Used by professional photographers in a wide range of mediums, Photoshop can be found in countless design departments around the world, and it's earned its reputation as an industry standard.
But Photoshop is also incredibly expensive, and the truth is that you simply don't need that much processing power in order to professionally edit your pictures and share them online.

Full story from the iMore Blog...