@ NightAntilli
The only disc based XBox 360 game to feature 'proper' HDR (like Eurogamer / Digital Foundry refers to this) is Halo 3. That game renders in Sub-HD and completely lacks anti-aliasing.
Uncharted: Drake's Fortune achieved proper HDR, 720p and anti-aliasing on the PS3 by off loading some GPU related tasks to the Cell processor. With God of War 3 the developers moved anti-aliasing to the Cell processor for superior results with MLAA (the Cell is far more flexible than a GPU, hence the superior quality).
On the PS3, the Cell processor is the key to achieve still massive gains in the future, but not specifically for just improved rendering (it is an important aspect for enabling future stereoscopic 3D games with good results though).