For those of you wondering what the physical difference is between the MC Color and Tangent Wave, well here you go.
I was recently invited by Euphonix to test drive their MC Color control surface with Apple’s Color software. All in all a very good product, though it needs some work. Full review on the Creative Cow website. http://library.creativecow.net/articles/biscardi_walter/EuphonixMCColor.php