why not add these tools to the list ....

now3d and ppmodeller as well as lightray3d

if you need the links search for them 2 are free the other is inside the 150 us dollar.

Groper in the sand

SandGroper ---- the keeper of the sands of time! You grope me if you like but im a slippery sucker! hahaha ;p i live in sandy places see if you can find me baby if you dare ;p