I also must say that I've ditched both Photoshop and ACDSee in favor of Lightroom. It's easier to learn and use than Photoshop and for me at least it takes care of 99% of all my post-processing needs. You may want to check it out.

Plus, since Lightroom never actually modifies the original file, you are free to to play and tweak all you want without fear of messing up your pictures.