Hi! A Great Photo Editing/CG 2D software Alternative found! Sure it dose not have all the features of the big guy, but it has Allot! Allot of great ones, the UI is super nice and all the menu items are right where you would expect them to be. You can even import your fav photoshop brushes! Custom make your own too! They are pressure sensitive and smooth.

I would recommend downloading the demo and see for yourself. Its $59 and can be bought at the Apple store or on-line. I am very very happy with it so far! Full Snow Leopard Support!

Oh and its based on Core image technology :D