1. How about we providing all the themes and plugins for free for some time - say 14 days at the lowest level. Then user selects any level and gains access to few or all depending upon the level (The way it works right now, except lowest level(free) providing more than the upper level)
2. We are able to hide a particular level, I mean not visible to users, may be the top most level - or the one we opt for.
3. or best - its is not hierarchical but discrete - I mean we are able to assign as many, few or all or particular plugins or themes to a level which doesn't gets carried forward to the upper level. (or since this setup exists - we are able to make a choice between hierarchical or discrete setup)
What you say? +1 for these.