I've been getting into contouring lately, so products designed for this have been catching my eye more and more. If money were no object, I think this might be the pick of the bunch - it's the Tom Ford Shade and Illuminate palette - it comes in two combos "Intensity One and Two", number two being darker in tone than number one.
At $100 this would be quite the investment, but I have myself convinced that seeing as it's such a highly pigmented product and would last such a long time, on a cost-per-wear basis it's really not that expensive.
As you would expect for this end of the market this is a beautifuly packaged product with a great formulation - the deep shade is totally matte and designed to give you natural shadows exactly where you want them, and the highlight adds glow and light to your skin.
|As spotted in the wild|
Ideally when you're doing contouring the fact that you're doing it at all should be invisible - when you've got it right it simply looks like your face is shaped naturally however you contoured it to look. With this product that's the effect you could achieve.
Sadly I don't think this will be mine any time soon, but it's definitely got a permanent place on my wishlist in the meantime..