I agree with your comparison of the graphics between the two. I think it is a tad early to be comparing the two on software.
I believe the 3DS will get much more publicity, not only because it is Nintendo, but because of the glass-less 3D, which is meant as a direct hit at Sony's glasses required 3D home entertainment experience. I have been repeating this for some while.
This being said, the graphics of the 3DS will be chopped up, organized, analyzed, and criticized by the industry. I will not be surprised if Wired magazine and others write Op-Ed pieces on how unimpressive the graphics are for the 3DS once the 3D is turned off.
I am expecting some blogger to say the graphics for the 3DS are a "full-on Monet." Meaning they are pretty when the 3D places them afar and distracts your view, but ugly up close if you choose to play without the 3D enabled.
As for the NGP, from what I have seen there is little to criticize. Sony as usual is sticking with their modus operandi in putting out the platform enabled to have the best graphics possible.
