Even though I don't use DS, I'm of the same thought that pricing for a DS version shouldn't cost more than the Poser version. Just as I wouldn't be happy if a product was originally DS and then converted to Poser. I wouldn't pay more for the Poser version.
Just my two cents..
The way I see it, if you add DS support on top of a Poser product, then yes, charging extra would make sense. But, if you decide to split them in two packages, then they are two different products and should cost the same if they have the same features. It's like making a bedroom set and a bathroom set, would you charge extra for the bathroom set because you already spent time on the bedroom set? No, they are two different products, just like the Poser and DS version of a set. If anything, you will spend less time on the DS set because you already have the geometry done. Ignore potential sales, see them as different sets.
Exactly so. If you already created the Poser product and are now converting it to DS, it doesn't really seem right to charge more. Not when you've already created the geometry and texture files. Since you're actually cutting out that time and effort with the converted product, perhaps the cost of the DS version should actually be less.
Seriously though ... charging for the effort and time it took to produce a product doesn't really work for this market. Not unless you're comfortable with charging something like a fraction of a penny an hour.
I base my prices on what's IN the product, not the effort and time it took to produce the product. In the scenario of a completed Poser product and a later DS conversion (or releasing separate DS and Poser versions at the same time), I would price the DS product and the Poser product the same.
You could think of it in another way. If you sell a product for Poser with FireFly materials, would you then charge more for a SuperFly version of that same product? After all, it takes a lot of work to "convert" that FireFly product to SuperFly. Same thinking as the Poser to DS conversion, but I suspect you'd find you actually lose customers.
Possibly not just for that product either. You might well end up on a customer's Do Not Buy blacklist because of that marketing strategy. People really do not like to feel we are being taken advantage of or being cheated.