Personally I'm hoping Crysis 2 will incorporate the character development improvements from Warhead, plus the better flow of combat and area progression, with the length and scope of Crysis. I agree that Warhead's final boss was a bit more of a mini boss, but it makes sense since it is just a side story and not as important as Nomad's mission.
But yeah, man, I'm pumped for Crysis 2. It'll be nice to see how much better optimized the CryEngine 3 is as well -- I mean, from Crysis to Warhead I enjoyed quite an FPS lift, and the game looked better too (I'm on a mix of High/Very High settings, with an XFX 4870 1GB OC). Actually, even just "Gamer" for Warhead looks quite a bit better than High for Crysis (draw distance especially), but with the exception of shaders I've bumped everything to Enthusiast with about 40fps on Warhead and 30fps on Crysis.
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