You've got to remember that when the 1Ds II review was written the 5D II was for off on the horizon.


Quote Originally Posted by Canon EOS 5D Mark II Digital SLR Camera Review


The big story in this comparison is that I paid $8,000 for my first 1Ds III - you can buy nearly 3 Canon EOS 5D Mark IIs for the same price - and each will deliver image quality that is similar."


Then read the 1DsIII review to see how much of an improvement it was over the 1Ds II and you'll have a better Idea of the IQ comparison.