I have to say I own a lot of Mac brushes and now have quite a few Sigma brushes and I love them just the same! SIGMA BRUSHES :: Dupe List for Mac Brushes. I have a bunch of both, and it is true, they ARE great dupes.
The Best Products From NYX Cosmetics via 15 Minute Beauty. NYX is by FAR my favorite drugstore brand! The quality is unmatched by their competitors and you can't go wrong with the price tag! I've never been disappointed with a NYX product- EVER!