Heres a good read from RPS. Talks about one of the editors experiences playing Battlefield 1942, and how and diverged from the ordinary WW2 Shooter of past. I think it goes a long way at saying what I believe a good ww2 shooter should be.
http://www.rockpapershotgun.com/2011/04/23/gaming-made-me-battlefield-1942/
http://www.rockpapershotgun.com/2011/04/23/gaming-made-me-battlefield-1942/