Shelby,
Since your still in a procrastinating mood, I'll throw my 2 bits at you.
Now, I can understand your wanting your books to be looked at as a scholarly and serious work, but my first thoughts when I opened Patrick Hornberger and Jim Gordon's recent books was simply Wow! The color pictures just seemed to bring the guns to life, and give them a much more three dimensional appearance than simple B&W seems to do!
Personally, I don't think full color pictures would give it a 'coffee table' look at all, in fact, just the opposite! After all, some of the high quality first bibles were hand colored, so you'd be in good company!
Of course, the quality of the color printing is very important in that the colors are adjusted to true life colors. Not picking here as I really enjoy Patricks book, but as some have said, the color is a bit dark and somewhat hides some of the subtile details. On the other hand, the color in Jims books is a more true representation of the true look of the guns.
Okay, 2 bits spent, and I'll probably buy them either way!
And I'll agree with Wayne in that the latest KRA bulletin is a huge improvement! With a couple of gorgeous guns on the cover to boot!
John