Ok I'll do my best to explain what I'm trying to do. I have

Ok I'll do my best to explain what I'm trying to do. I have a multi-site set up that consists of 3 sites site 1 is the main site Which Will just be a landing page with info and a log in widget this is where I want users to login and have the option to upgrade to premium account If they choose now the other 2 sites will be the blog and the video library I want to be able to restrict the other 2 sites to logged in free memebers and then have just one download page for paid users. Is this possible?