Latest news can be found here.....
http://www.users.on.net/~jscones/TGW/news.html
Also have trawl though the mods section, there is plenty of info regarding GWX.
Naturally, due to recent happenings, the GWX dev's are a little 'cagey' with specifics. However, as a beta tester, I can assure you that GWX is indeed fun to play, after you have adapted your 'style'.