The MAC Make-up Art Collection, just as the name says, is based on art. From MAC PR:
This season M·A·C celebrates the idea of the Artist in every shade and stripe…makeup as art form. M·A·C has selected three individuals who exemplify this idea through both the subjects they choose, and the wildly individual styles and colours used to convey them. Bold, heroic, big; giggly, playful, clever; dramatic, original, abstract: Fall ’09 as seen by Richard Phillips, Maira Kalman, and Marilyn Minter. Be inspired!
I am enjoying the MAC Artists Collection Eye Shadow Palette quad, as seen by Richard Phillips, named In the Gallery. It is a nice mix of purple based shades that work well for fall.
Below are swatches from the eye palette:
As is standard for MAC, the shadows are fully loaded with pigment and wear wonderfully.