During the Sephora.com Friends and Family event they had two (YES, TWO!) NARS Eye Shadow Duos on sale for $10 each, after discount $8 each. I didn't even bother looking up the colors for swatches, I just ordered.
Wicked is pretty ugly. I wouldn't have paid MORE than $8 for it. Based off of swatching it seems pretty sheer. I don't know how much I'll use shades like these, but it's unlike anything in my collection and may come in handy some day.
Cheyenne is much more gorgeous in person. The right side reminds me a bit of MAC Star Violet but less purple. I'm extremely impressed with this one.
Normally NARS Eye Shadow Duos retail for $32 each plus tax. Wicked and Cheyenne are still available at Sephora.com for $10 each. You can either click THIS LINK or (there is a bit of a trick to it) add Wicked to your cart, click it from your cart, and Cheyenne will show up.