I was just reading an announcement by Visage Mobile that really perked my interest. This application called MobilityCentral that they just announced is something that I know many companies have been looking for. It allows you to manage your BlackBerry inventory and expenses and much more. Personally I think that even if it does not do what you want it still gives you pretty charts to give to management to justify your jobs existence.
It lets you create employee self-service options, manager dashboards, inventory management, policy and compliance, wireless expense management and more.