To tell you my impression ,I have to dig it out yet, only toyed with it a bit and seen others job , this is by all means a selfcontained "little zbrush" .. very powerful, with bump mapping, color mapping, and everything is exportable (obj plus bitmaps generated into it...)

This is his site:

No wonder they wanted the swedish boy for themselves.

http://www.sculptris.com

I am sure that when he become a part of the Pixologic family, the Sculptris project will flow into ZB and disappear...

To pakled:

No, its not a shareware, it works endlessly. If you want do a donation to the author, you could by all means do so... or not, your choice. That guy has made his smart move anyway...

To Corrie:

The default sphere to be modelled is deceiving. You can IMPORT whatever .obj into it, and play with the geometry as it is putty...  have a try with it create some object , then throw what you created into Bryce....