GDC09: Kojima teases 'the next MGS'

The above image was revealed following the conclusion of Metal Gear Solid creator Hideo Kojima's keynote at GDC09. Providing more questions than answers, the image teases a bright (albeit predictable) future, one where MGS4 isn't the last in the series. It's a future full of sneaking and ... wait, is that Raiden? Raaaaiiddeeennn!!!
Well, if we're going to say this guy looks like anybody, it's Raiden. Could he be the star of the next Metal Gear Solid? Only time will tell ...