Exocad is the best thing that happened to 3shape,without the competition they would only have to be better than dental wings. So right now you would be using a somewhat bug free version of 2010.
The only thing free in my lab is the air you breathe in it...come on guys, if you buy a Lotus or a Ferrari, for one you obviously don't give a squat about how you piss your money away...and as for me being Democrat, be careful my friend I ate Taco's last night and the wind is blowing from the west today