MachForm for WooCommerce
MachForm is the best form system in the world!
Much better than the Gravity Forms and Formidable Pro!
WooCommerce is the best system of e-commerce in the world!
MachForm+WooCommerce = Endless Possibilities!
Mike Hoefer commented
Note there is a dedicated WooCommerce ideas forum. http://ideas.woothemes.com/forums/133476-woocommerce you may want to move your idea there for more votes and synergies with other users submissions.