I emailed http://mallsoft.com/
asking about their ecommerce product, but I am getting no reply..
If SF had a reasonably simple shopping cart it would really take Sitefinity to the next level.
Alot of people have been requesting this for a long time.
I think it makes major sense to add it instead of converting all the code to windows workflow in v4.0.
i think windows workflow is just going to over complicate things..