the mediteranean has good pickings, i am on i think a 75% dif (i'm not using manual, i have my wep officer, and i use free aim for screenshots), the water is usually around 200M so its safe for escape and also going to the bottom and repairing (always reminds me of das boot), and alots of task forces, i just got my second battleship. I started my career in 1940 on my ixb and haven't left since