In SharePoint 2010 is it possible to have an 'almost owner' group where the user can alter membership (except for the owner group and not create groups) and only add certain list types (e.g. those in the list template gallery). If non-owner group management is not possible, is it still possible to restrict what kinds of lists can be created, without the need to turn off features?
i.e. delegate rights to allow someone else to create calendars or documents lists, but not any others