Red Dead Redemption

Any sneak peaks to gameplay other than the trailers? And since it is from Rockstar is there a chance for it to be as open gaming as the GTA titles?

The old west is one of my favorite genres, so this is one of the first console games to grab my attention in a long time.

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I am interested in this game, but I never played Red Dead Revolver so I have no idea what format these games are.

If it's anything like "Gun" but on a bigger scale I will be more then happy.

It does seem to be an open world, but who knows, maybe someone who played Red Dead Revolver can give some input.