This version of deCMS has the shopping cart integrated into the CMS.
deCMSOrder is very reasonably priced. And it's feature packed and fully customisable.
For $2,500 AUD you can have your site up and running in no time at all and this covers the 1st year's web and email hosting too!
You can have a complete shopping solution which is dead easy to maintain.
deCMSOrder covers it all:
Some of the shopping cart features are: