I just bought a PS3 to catch up with a few exclusives I wanted but could never afford the console for since my money went on a 360 and games. I bought a bundle including 4 games, included in these is uncharted 2. Now I'm wondering, would it be a good idea (ie does it add anything major or have some major story I need to be in the know about) to play the first one first? I've looked round the internet but have found nothing on this with having to be ridiculously careful not to get spoilers.