Excellent show again - was good to see the faces behind the screen names even though you looked nothing like I imagined (especially Basti - I thought you would have looked of Asian decent!
).
Liked the discussion about the weather effects - I think it definitely should be some something that is forced on but balanced as Marsman said rather than priducing massive gameplay differences. Earthquakes and Volcanos might be a step too far but I'd love heavy rain to reduce visability and produce water droplets on your visor etc..
Liked the Lightning artillery concept too - I think that'd work providing that the cannon weight slowed the vehicle's movement and it needed to deploy first to operate. The lightning wiuld be a very versitile and different experience dependant on the main gun which was equipped.