BambooTheme - Zen Simple Shop (Joomla 1.5) | 32,4 MB
This version utilises the Zen Grid framework and provides support for the ecommerce component from Dioscouri as well as an implementation of the Avanti K2 template. Zen Simpleshop is a clean, minimal snow white Joomla template that is superfast and great for showcasing your products, blog or any other content.

DEMO:
http://bambootheme.com/showcase/zensimpleshop/