3D Max with plugin Illustrate!( link ) ,Sketchup (nice, but very limited what you can do with it) and final render “attacked” heavily with PhotoshopCS .
I try to keep them very quick (all together time 2-3 hrs from start to final illustration). Just experimenting and having fun for the moment.
You can check some other stuff done in 2D and 3D here—>LINK!
Thanks again for all the comments, I’ll keep you updated.
Darko