'Xbox, where is my free game?'

I'm just waiting for the radiation-caused mutated fish...

I love the looks of the game. Would I be able to follow the story though having never played MGS before or would I be seriously missing out on stuff?

You might just want to go re-read the last few chapters of 'A Dance With Dragons'...

http://nos.nl/artikel/154052-terugblik-op-de-aanslag-in-apeldoorn.html