Yesterday I received my new Performance Eyes kit from Sigma. The kit includes 8 different eye brushes: eye liner, tightline liner, waterline liner, smudge, blending, shader inner corner, shader crease and shader lid. (see more on Sigmas website). I also got a regular shader (E55) and they included a little test from their new brow kit.
Most of the brushes I use are from Sigma as I think they are good quality brushes for a fair price. You can find their brushes on some local websites, but their selection tend to be sparse and even if Sigma ships from the US it took less than a week for my order to arrive.