Advice about WP ecommerce plugin that support multilanguage

I’m looking around before starting a little and simple ecommerce for some friends that sell fairtrade biological coffee.
I’m doing it for free so I’m looking for a little support from the wordpress community. I’ve done some ecommerce but never wordpress based. I’m looking for the simplest plugin that support multilanguage and paypal circuit but also pay on order received. Simple because the future site owner are young but not so skilled with computer.
I’ve already done some multilanguage wordpress with qtranslate but I’m open to other multilanguage plugin. I’ve seen the beta of WPeCommerce that works with WPML plugin, anyone have tried it?
Any similar experience?
Any nice advice about doing a multilanguage ecommerce wordpress based?
Thanks