Your computers cower at the name of Crysis, the power hungry game. To start off, I have an Nvidia 7900GS with 256 memory, 2.4 Pentium D, with 2 gigs of ram and I can only run this game at playable framerates (read 20-30 Frames Per Second) at medium to low settings. This game will make your computer cry and make you feel bad about it but it sure does look awesome. For those of you with super machines, you will be able to experience the beauty of Crysis medium to high details, while those of you with prototypes of the next generation machines will be able to experience it at very high details which look absolutely stunning. The gameplay also offers something different than the standard run and gun. I'm impressed at how they handled "free roaming" and the skills that they give you to navigate your terrain. Encountering enemies and finding ways to get through them is always a fun task and its always fun to find better equipment to modify your weapons.
Even when I don't get the true experience of playing Crysis at good framerates, I still enjoyed it greatly just make sure you read the recommended requirements before buying because they're not kidding around with computer hardware.