ECommerce-Guide provides ecommerce business owners with e-commerce news, hardware and software reviews and tutorials, technology solutions and information.
http://www.ecommerce-guide.com

Everything you need to know about doing business on the Internet. Information for C-Level executives and small-to-mid-sized business managers.
http://www.ecommercetimes.com

The eCommerce Guidebook provides many resources, including a directory of online transaction providers, a tutorial, and many other resources.
http://www.online-commerce.com

A one-stop e-commerce reference center and an e-commerce meta directory.
http://www.ecominfocenter.com