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Ninja Gaiden Sigma II for Ps3

So I'm thinking about getting Ninja gaiden sigma 2 for ps3. Can somebody here tell me what differences are between the original ninja gaiden 2 and the ps3 version? I played the original once at my friends house back in the day and I loved it. I just don't want to get this newer version and get the same crap they sold you in ninja gaiden 3.

Also please suggest games that I can play, i'm planning on getting a few games and devil may cry is already on that list. Don't go suggesting any shooters though...