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The game engine Infinity Ward is working with today dates back as early as 2005 — back from when Call of Duty 2 was made. The original Call of Duty used the id Tech 3 engine which is best known by Quake III Arena. For Call of Duty 2 Infinity Ward heavily modified the id Tech 3 engine, almost making it their own. Today, Modern Warfare 2 still uses this engine, which could mean two things... It's a dated engine that needs to be replaced a.s.a.p. or you make sure the programmers make it a killer engine that can compete with todays engines. Infinity Ward chose the last option and used all their knowledge of this specific game engine to build another bestselling game like Modern Warfare 2 with it. One of many things added is something called texture streaming. This technique is used by the developers allowing them to increase the amount of detail in the characters and environments while still keeping the game running very smoothly at 60 frames per second (on consoles).

Texture streaming comparison

Now we're getting closer to November 11th more and more information and graphics is thrown at us. Robert Bowling has shown a couple of comparison screenshots to not only explain the texture streaming technique but actually show us what a difference it makes.
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Much crisper quality with the streaming.

Nice post.

Already been posted..

yea it has /\

cool nice info

Already posted, but good thing to spread the word.

will this give me less FPS off my gfx card :S
i got the ATI HD 4870 : D

I don't care what you said, but on my 72 inch 1080p HD Samsung TV, those graphics will be amazing on my PS3.

thanx for the info