Between Apple Color and Magic Bullet Looks, lot's of editors are confusing Color Grading with Color Correction. The difference is; CG is a visual enhancement and CC is an adjustment for accuracy. So the 'Neo Green' from the "Matrix" and the 'Sepia Wash' prevalent in "Saving Private Ryan" are color grading choices for artistic enhancement of those films.
When doing color correction the editor adjusts highlights, midtones and shadow areas thus recreating the scene as the eye saw it. Here's a vid by Michael DeVowe using a simpler method for color correcting your video in AFX CS using Photoshop.