Hi, I checked now your plugin : wordpress.org/extend/plugins/wp-e-commerce-call-for-price/
I like it!
I would like to add a change on it and test it on wp 3.5.
Why not add the ASK FOR PRICE, and people clicking on the button will be forwarded into a webform where they can ask for the price?
plus tracking trough the httptrack function from which webpage they are asking the price, so exactly for which proiducts.
happy new year!