Anyhow, I got out my macro lens to see what can actually be resolved at various resolutions. This is from a Dell P1130:
View attachment 106081
So I guess we should stick with 1024x768!
The manual says it recommends 1280 × 1024. You can see the pattern decently at that resolution, actually. It's kind of still there at 1600x1200, but at 2496x1872, the pattern is definitely gone =p.