The main reason why Blender,GIMP and the likes don't get a lot of backing from the industry is because pricing is just a small puece of the overall picture. If a shop is anything but some random visualisations for real estate, there are budgets, decent salaries and etc., so even spending a few grand on Maya or 3DS Max doesn't quite change anything. Development in such a niche and complex field takes time.I doubt one developer would be able to do much,even full time,apart from fixing some small bugs..