Yep, the editing tools are pretty good, I had beefed up the Korean prescence in some levels within minutes.
Unfortunately, there is not much of a modding community, it seems that no matter how easy it is, if people are not inspired, they won't touch the game.
Jamie's example will have been repeated thousands of times, people play it think "nice, flashy, fun at times, next.....".
Most of the mods seemed to revolve around standalone singleplayer levels.
Saying that, I will play it again, got to try it in glorious widescreen now I have one