Z-Brush? I made the mistake of buying it after seeing the impressive tutorials on the Arcana site. I an INCREDIBLY disgusted with this mess. I managed to get the program working 4 times in the 2 years since I bought it. I've had the S/N validation hose me over 4 times. Every time I have to contact their tech support. Every-time I've had to endure cheery little "Thanks for buying, but who are you & PROVE when/where/from who/how you bought ZBrush"-type responses. Too much trouble to look me up in their database (or possibly their customer records software was written by the same cretin who slopped their S/N validation system together, so it never works either?) I had a little fun with the program a couple of the times it felt like working, but I always ended up ultimately floundering around uselessly with their cutesy ZScripts and obscurely arcane interface. The "Let the users teach each other, we can't be bothered" philosophy that's so obvious from their site is is a typical symptom of a company that's dominated by a marketing mentality. The "Keep the customers on a short leash - put out their little fires when they gripe, but don't waste unnecessary effort into preventing problems; If they don't keep coming back, new customers won't see what GREAT service we give and they won't buy any more" school of corporate planning. And I think we've all had some experience with endless "It'll be fixed in the next release - be sure to buy the upgrade!" as a substitute for tech support. My final opinion; I don't have enough hours in my life to waste on such time-wasting crap!