Below are links to some useful information about Loaded Commerce 6.5 and CRE Loaded 6.4.2:

 

6.5 Shopping Cart Feature Comparision

See which Loaded Commerce Shopping Cart is right for you. Compare the features of all three side by side.
What's New in Loaded Commerce 6.5

See a list of the new features we packed into Loaded Commerce 6.5!
6.4 Shopping Cart Feature Comparision

See which CRE Loaded Shopping Cart is right for you. Compare the features of all three side by side.
What's New in CRE Loaded Series 6.4.2

Check out the bug fixes and new additions that come along with the 6.4.2 patch.
Minimum Requirements

See a list of the minimum requirements for installing 6.4 and 6.5.