Here is a short review and comparison in real world usage than the hardcore benchmarks
http://www.youtube.com/watch?v=Rg65AIIrCEk
http://www.youtube.com/watch?v=6aX72LcpFoE
http://www.youtube.com/watch?v=Rg65AIIrCEk
http://www.youtube.com/watch?v=6aX72LcpFoE