To be honest afta seeing the online review of the battle between D800 & 5D3, i really muz confess, nikon clearly got smashed by canon in this are of low light perf, not that i agree with the statement but nikon could hve done more kinda of like the notion of leave no stones unturned
Canon 5D Mark III vs Nikon D800 - Hands-on - YouTube
Watch that for a laugh -.-, you want real review and comparison
watch this! Canon 5D MK III vs Nikon D800 with Nathan Elson - YouTube
and then tell me who smashes who??? hmmm. . .