Seeking Dress Form for Ample Frame

I really, REALLY need a dress form of some sort. I'd do the duct tape thingie, but it's just me and it's kinda hard to do to yourself. But I also don't want to spend a lot of bucks, and you'd know since I'm looking there's nothing at St. Vinnies, Good Will, etc. Besides, I don't think the standard 'model size' dress form will work. As I said - 'ample frame'.

Any recommendations of companies, costs and such?