In defense of crytek, It is a brand new engine and I believe that nvidia/microsoft/and others had pushed them to release crysis before it was truely ready for the upcoming christmas season.
That being said, I'm more than 10000% sure that they are working on quad core support, graphic & coding kinks, and much more support.
Think of the released version as a beta and the patches and getting to the full version. You have to give them props, they didn't just code a new game into an existing engine, they create this one by scratch.
The idea is to get this from running on a risc based workstation to a desktop pc that is the problem.
This is a workstation game and I think thats what gamers truely need.
Look at quake wars for instance. The video in the beginning is just fantastic but the game isn't as nice as the video. Why not? It's not that much different than the video. ID should of done the same thing with a graphics option that would bog down anything thats thrown at it.
Peaking into the future is wonderful for gamers and crysis gives a little taste of whats to come