I have a client who is having problems with his existing shopping cart and needs to replace it with OS Commerce. He already has a merchant account with authorize.net. We are looking for a turn-key job, with complete integration with his existing site and the [url removed, login to view] gateway. The site sells the same products as http://www.golferadvantage.com. That will tell you how many products needed to be migrated over and the scope of the job.