I will BOUGHT crysis Warhead and i wonder will it work on my computer maxed out with no antialiasing and lag of course:

Windows 7 64 bit pro (will get that patch)
nVidia geForce 9800gt 2.2Gb
4Gb RAM
Intel core 2 Duo e8400 3.00ghz x2
700 GB-storage
550 watt supply