
As expected, everyone falls one side or the other!
Both hold merits and drawbacks. One point worth mentioning is using proprietry software like Max/Maya etc should be ruled out. Access to this software can not be taken for granted. I think the only way would be for a bespoke solution.
After everyone thoughts up til now, I'm tending towards a hybrid solution of free form and block based

Also, If someone could make post a list of editors to investigate that would be cool.