I want my members to create a site with limited plugins

I'm not sure if I'm posting in the right place.

When my members create a site, I want to limit the amount of plugins that they see. I'd also like to automatically have a couple of them turned on. I'm not entirely sure how to do this.

I installed Pro Sites, but I'm not ready to activate it yet. I THINK that took care of the issue, but I'm not sure how to do this without Pro Sites.

In "Access Levels," I tried adding "Plugins" to the negatives rules section of "Advanced (both)" but that didn't seem to work.

Right now, when a member creates a site, they have access to ALL my plugins or NONE of them (depending on whether I check off "Enable administration menus" in Network Settings)

Any thoughts?