Lots of rumors, but seem to have some substance. Blurb from the VG247 blog.
Dice was supposed to reveal a new game in London recently, but the snow canceled it. Supposedly it will be revealed sometime this week.
Soldiers, it's time to do your part in the action packed battles of the World War II Pacific campaign! Pick your path - be it as a rifleman crawling the trenches, a steel fisted tank commander, or ace fighter pilot dog fighting to protect the skies. Play as a lone wolf or with your friends, coordinating to turn the tide of battle, whatever you choose, you get to enjoy the thrill of a fully featured online shooter with the unique Battlefield sandbox experience.
Battlefield 1943 will be available on Xbox LIVE Arcade, PlayStation Network and on PC for download. This give players access to the famous action packed Battlefield gameplay quicker and easier than it's ever been. Play as the US Marines or the Imperial Japanese Navy on match-made servers for optimal challenge, as you gain ranks and awards. Battlefield 1943 is your own version of one of the most famous campaigns in the history of the world!
By Land, Sea & Air!
Unleash wide destruction with Bombing Raids, Tanks, or Fighter Planes launched from Aircraft Carriers and enjoy one of the best experiences in any multiplayer game to-date.
Varied Locations & Up to 24 Players
Play with 24 players online in three beautiful and destructible locations from the Pacific theatre. Whether you choose Guadalcanal, Iwo Jima or the classic Wake Island, you'll experience the best balance of infantry combat complemented by land, sea and air vehicles.
Watch the beautiful Pacific Islands quickly turn into scarred battlefields as destruction rains upon you and your fellow soldiers as you fight to win the battle!
Through the Gun Experience
Use classic and iconic World War II infantry weapons with excellent feel to defeat your foes. Hit 'em hard from afar through your sniper scope or use explosives or melee weapons like bayonets to make it really up close and personal.