Metal Gear Solid "Story" Refreshment

OK soim just about to play Metal Gear solid 4 and eventhoughbeing a fan of the first 3 i really forgot the stories about snake or "snakes" 2b exact and thewholecomplicated story about metal gear so im just hoping if any of you guys know a website or somthing i can use just to refresh my memory

thanks

Download the MGS database off of the Playstation network.

Download the MGS database from the PSN Store, it has all the information you need.

oh i actually didnt know that...... and thanks for your quick replies