Most interesting parts would be:
Marek:
Even AI indoors fight will be highly improved, but now we are concentrating on the urban fights..
Marek:
Big groups are hard to control. We want to make ARMA 2 accessible for more people, and for them a team bigger then 4-5 soldiers is too complicated. There would be main characters in the campaign, but regarding to the dynamical style of the game, player can easily loose them and will have to continue with anonymous soldiers
Read the full article in armaholic.com site.Marek:
AI from original the Arma was based on Flashpoint AI, and it was supposed to be used for fights in open areas. It wasn’t working too smooth then, with precision in meters. For Arma 2 we are making AI which will work in precision in centimeters, which communicates more, and gesticulate. AI Which takes cover behind the corners, leans from the corners, uses sidesteps, back steps and stuff like that. I think all of this makes for a completely new experience from player vs AI battles. We are working on the system of suppressive fire too.