"Before purchasing at your store, your customers will need to register. ...
After registration, they'll receive a confirmation email and after the purchase, another email with the purchase confirmation."
This is a good reason to not buy this. Merav, if you truly want to break your sales wide open. Please fix this.
Also you may want to read:
A report by Nielsen Norman Group on the usability of e-commerce websites:
The reports contain extensive guidelines for how to design e-commerce sites to make them more usable. All guidelines are based on findings from detailed usability studies of twenty e-commerce sites with users in the United States and Europe.
Richly illustrated with 221 color screenshots of designs that worked particularly well or that caused problems for shoppers.
* 389 pages
* more info: http://www.nngroup.com/reports/ecommerce
On page 41:
Registration
Allow customers to purchase without registering.




