I am trying to set up a site to allow digital downloads on a subscription/credit basis. I will have hundreds of downloads available and will sell subscriptions/download credits based on the number of total downloads. Basically if I have 1000 available files, I want the subscriber to be able to download any of those files up to the total quanity of their subscription. If they buy a 100 download package, they can download any of the 1000 files until they reach their limit. If they buy 50 they get 50 (and so on). Once they reach the limit, I want their download ability to be stopped.

Does anyone know of a module that does this?  If not, anyone interested in creating one?  There are many applications and business opportunities for such a module.  Selling music, pictures, videos, clipart, fonts, help documents, ringtones, modules, skins, and template downloads are only a few of the many possibilites that this type of module would be useful for.

Thanks in advance,

Kevin