could you recommend a few plug-ins? [MYBB]

[MasterZuFu]

You don't need a plugin for this. The userbars you'll have to make yourself and you simply set them in the group settings, same goes for the stars. The "VIP" section idea can be done with groups as well without a plugin. You could create a vip forum and only members in the VIP group can access that forum, you would do this in the forum settings.

However, if you're looking for an actual money subscribing VIP, use this:

http://www.mybbcentral.com/thread-1613.html