When I was at the store yesterday buying the final shadow for my collection (yup, holla!), the SA told me a bunch of the regular mattes were being DC'd- she claimed that Corduroy, the shade I was picking up, is not long for this world.
Take it with a grain of salt.
I will probably be picking up a lot of matte shades then..
Doesn't really make sense considering the popularity of all-matte eyeshadow palettes. At least most of them aren't especially unique colors.