I won't lie... ZBrush is brutally hard. I got a subscription for work and only used it for one paid job, ever. But it's super satisfying if you just want to spend Sunday night making a clay elephant or rhinoceros, and drop $20 to have the file printed out and shipped to you by Thursday. I've fed lots of my sculpture renderings to Dali and gotten some pretty cool 2D results... but nothing nearly as cool as the little asymmetrical epoxy sculptures I can line up on the bookshelf...