I've been keeping up to date with JA2. If you read the Gamestar Preview and Dev Diary 4(pdf) it has a smart pause mode, which they are calling stop-go mode but is the same.
I also notice on the forums, alot of the Purists are upset that its
NOT going to be turn based. I think alot of people complain not because of valid game design reasons but psychological reasons, some people just want to sound important and will argue about anything...
http://www.jaggedalliance.com/en/