I doubt, most of the time, that people are going to notice the difference between most PS3 and 360 games. And I doubt people are even going to care unless you have two TVs right next to each other doing a comparison. I mean you see in some comparisons that they've zoomed in heaps just to spot some difference. The thing is when I play a game, I wont be zooming and and I'll be sitting a reasonable distance back from the TV. So I think whatever version of a game a person buys they will be happy.
Of course there could be the odd occassion where one system might have a far superior looking game. But I don't think you should go and buy a different system because of that. You're still going to recieve the same gameplay experience(I'm guessing, unless one has a tonn of bugs). And whatever it is it will probably still look and better than anything from last gen. If you have both systems, then maybe the one that has the better graphics is the best option.
I agree with you, small differences do not matter.
