Thanks for the replies. Friends and I thought of providing a mix between direct signup, P2H, ad-supported, ad-free and paid. Something like :
Smallest package : direct signup & ad-free
Medium package : direct signup & ad-supported or P2H & ad-free
Largest package : P2H & ad-supported
And then we'd provide custum made plans : The more you post / the bigger the ads are : the more you get.
And then we'd have another option : payed hosting. By paying you get ad-free and (don't know how I should call this) post-free.
Currently, we're trying to simulate hosting on some old computers. We have 5 old computers running ubuntu server, and we're trying to get them clustered. Once this is finished, we'll simulate free hosting by setting up the control panel and transfer some big files over our 'intranet'.
I wonder what's the best control panel we could use. And are there any open-source control panels (that are good enough)?