I know one place to get on demand/download to own Adult DVD's and Anime movies , interactive DVD's from the adult section.

Cduniverse

This site does not have anime/manga movies like "Akira" which i would like to own and I prefer to download with my fast broadband.

Does anyone have and suggested sites i could look into.

P.S. Download to own is prefered over an On Demand streaming rental

h-fap is a streming site, they do have SOME download links, not a lot though mostly sreamed.

hope thats helpful!