Great article on Ecommerce checkout design by Christian Holst at Smashing Mag: http://www.smashingmagazine.com/2011/04/06/fundamental-guidelines-of-e-commerce-checkout-design/
Great article on Ecommerce checkout design by Christian Holst at Smashing Mag: http://www.smashingmagazine.com/2011/04/06/fundamental-guidelines-of-e-commerce-checkout-design/