We both agree that it looks better on the PS3. also according to this comparison. by Digitalfoundry.
http://www.lensoftruth.com/head2head/verdictscreen-shot-comparison/head2head-crysis-2-retail-screenshot-comparison/
You can clearly see that the PS3 version looks the best.
But why is IGN saying otherwise? could it be they're still playing the demo instead of the retail version?