@Modron, it generates landscape models, and has a very complicated (or comprehensive, never can keep those straight) procedural material handler. It also supports mesh modeling, and has a number of interesting primitives. It handles booleans better than Blender, but the interface is somewhat slow to navigate. @PapaSmurf, yeah, the GUI stinks, you have to mouse over to icons all the time, not many hotkeys, and the procedural material “workshop” is a bit of a dog’s breakfast until you get used to it.
DAZ seems to be putting together a hobbiest studio: Bryce for landscapes, DAZ studio to do the posing (and animating) and Carrerra to make the models. They give the tools away (well, not Carrerra, not yet) because they make their money selling premade landscapes, models and accessories to people who want to do 3D collage.