MGS4 official release date
Thats this summer!!!!!!!!!!!!!!!!!!!
Theres a ps3 bundle pack for it and if you pre-order it(game or the bundle), you get to play MGO BETA.
The ps3 bundle includes MGS4, dualshock 3, and a starter pack for MGO (metal gear online is back)
For more information check out these links
www.konami.jp/kojima_pro
www.metalgearsolid.org
Dont forget to listen to the Ryan's podcast for more in-depth info about the game.