stereohero

This is a simple and tiny plug-in which add translatable form fields for wp e-commerce taxonomies (product categores, variations and product tags).
Just activate it and you’re good to go.
Requires qTranslate and WP e-commerce.

qTranslate loves WPEC

Adds translatable form fields for wp e-commerce taxonomies (product categories, variations and product tags).

themeszone

This is a WP e-Commerce plugin that allows you to hide the price of a specific product and replace it with a message asking your customers to call for price. 
The plugin is easy to use and configure. There there 15 “Call for Price” icons available as well as an ability to upload custom “Call for Price” icons. Install it, Configure it and Rock it.
<h3>Donations</h3>
http://ecommercewp.com/wp-e-commerce-call-for-price/

WP e-Commerce Call for Price

This is a WP e-Commerce plugin that allows you to hide the price of a specific product and replace it with a message asking your customers to call for …

qTranslate loves WPEC vs WP e-Commerce Call for Price