Article in US magazine Game Informer gives details on GRAW 2 features. Sequel of GRAW will have advanced weather and environment effects, improved AI and enhancements to Cross Com system.
Heavy rain and dust clouds will obscure vision and rain will also form puddles on the ground. Walking or running over water puddles will cause splattering noise which attracts enemies. Enemies will also try to gain advantage on the battlefield by climbing to higher ground.
New enhanced Cross Com system will allow flagging enemies with varying threat levels. GRAW 2 will be released on the first quarter of 2007.