"A new flash site has just gone live on Konami's Kojima Productions website. The flash site is barebones, showing them Konami logo and the above image with text that reads "A Next Metal Gear Is..."
The text is green, so make of that what you will. Konami logo is directly below."
here is the link http://kotaku.com/5102283/a-next-metal-gear-is-green
maybe the will be multiplatform???