Thanks for the ideas. As I understand your instructions they will give me the differences in colors between different profiles for selected colors. As you point out doing more that a few would be tedious.
However, what I am really after is how to evaluate quality of different profiles and I think I got sidetracked by thinking of this as a DeltaE issue but I have now learned that this is much more complicated than that. What really helped is to watch (several times) Andrew Rodney’s tutorial digitaldog.net/files/Not_All_Pro … qually.mp4. There he points out that perhaps the best way to compare profiles is through the use of wide gamut color references files and provides two excellent ones.
After making several test prints I realized that the color profiles that I was making using my i1Pro (original Rev. B) / iProfiler were really no better than the canned profiles from the paper/printer manufacturer. This was disappointing to say the least. The question then became what if anything can I do improve my workflow/process to make better quality profiles.
In my case I have two rely on custom profiles for my 7800 because I use the replacement UlltraMax II ink set from American Inkjet Systems. These have proved to be as good and perhaps better the K3 inks for about one half the cost.
After several long discussions with the helpful folks at Chromix I determined that my best plan of action was to sign up for their ColorValet service and take advantage of their in-depth experience in creating color profiles instead of upgrading to an i1Pro2 and trying to figure all that stuff out my self.
I have just received my first set of profiles back from ColorValet and I am happy to report that they provided excellent results when printing the wide gamut test images. I can even see clear differences between Perceptual and Relative rendering intents that were apparently hidden by the poor quality of the profiles I was previously using.