The paywall should be the sales page. Because the way it works now, it is extremely confusing for users who have already signed up for a member area and still see the "sales" page.
It makes zero sense for those to be different pages, though it would be nice to be able to define a logged-in vs not view.
My site organization/IA is a mess with all the sales pages for each of my membership areas, I really really really need the ability to fully edit the paywall page and treat it as the sales landing/marketing landing page. This is so silly.