Everyones still waiting for the update patch and associated mod unpacker over at totalwar.com I imagine that no serious work can be done until thats released and even then these guys like to really overhaul the game if their past releases are anything to go by. I would say it will be many months away yet. MTW2 has many more possiblities than RTW modding wise and apart from anything else it includes 31 faction slots and a moddable diplomatic system so.....