Need a plugin to pick which users can edit specific pages

I’m looking for a plugin that will add a list of users to the edit screen of each page. From that list, I can choose multiple users who have access in the admin to that page. I’ve tried role scoper, but I don’t want to manage roles (Since I’d almost have to make a new role for each page), I want to allow one or two users to have access to specific pages in admin. This is NOT to limit which pages can be viewed from the front end (like CaPa). It would be great if this worked for post categories too.

Does that make sense? Any ideas?

Thank you!
Ben