Thanks very much for the suggestion. However, at this time eGO is not looking to expand into any other games. There are several reasons, but one of the main issues is cost, of course. It costs quite a bit to keep a server up and running (both in money and man power), and right now we are pretty much pushing our max limit.
At the moment we are only supporting games that use the source engine (with CoD being the one exception). That way all of our training stays standard and all of our leadership is familiar with the system.
We do appreciate your suggestion, however, and will keep it under consideration for the future.