DHES

There should be a new feature where people can RENT videos and CDs ect.

That's a bit of a vertical market and would be a lot of work.

I did once know of a freeware DOS video rental program, I'll have to search for it again.

try this
http://www.epgsystems.ph/VTRx/

Yup, that's the same one I was thinking of.

this is also a good one