So you'd fill in the delivery address for your order on the website, click "Submit Payment" and then immediately change your mind? Whilst I appreciate that a user CAN do that, I find it highly unlikely considering that they've just filled in a delivery address on the previous page. Is that what you're suggesting?
Users are forced to fill in the delivery address on our website so isn't it safe to assume that, 99% of the time, they will enter the delivery address that they actually want to use?
Regarding this..."the only way it will effect the store order summary behavior is by forcing it to use what was entered in the checkout form rather then what was selected in the paypal account."
I don't understand this statement. At the moment the eCart Store Order Summary behavior is taking the delivery address specified in the users PayPal account and storing that. We want the eCart Store Order Summary behavior to store the delivery address that the user entered on our website, prior to getting to PayPal.
I think this is a loose cog in eCart. Even though the customer fills in a delivery address on our website, which they are forced to do, when they get to PayPal that information doesn't appear to be stored anywhere. It also isn't, then, passed back to the website upon successful payment.
So what is the point of it?