Loaded up Syphon Filter again just for curiosity and it boggles my mind how feature rich it comes across compared to MGS(in terms of the action). Beyond the more suitable look/aim configuration, you have a full complement of combat options when glued to a wall including sidling(thanks to facebutton movement), free-aim, and even lock-on corner kills. I replayed the entire set of first missions and was handily stabbing guards and making quick precision headshots on anything and everything...
Granted, it doesn't have the camo index stuff or a prone option, and the movement isn't 'analog' for sneaking, but MGS isn't exactly conveying a rich argument for those options existing so far(Anyone wanna step up to the plate on why sneaking NEEDS half-push nub movement...cause I can't see a reason for it yet beyond pissing me off!). Peace Walker leaves me feeling like I am fumbling the ball consistently, while Syphon Filter is having me surgically performing my mission objectives like the REAL Big Boss.