It's really subjective, but of all the possible common monitor defects for these high ends monitors, cross hatching for me personally is the worst. Again this is just my opinion. But, I see it all the time. On the 2713hm it's right over Gchat boxes, VLC full screen menu, and it's super present on white screens in games (like flash bangs etc). I'd rather have backlite bleading or a poor stand. Can't believe the new panels have this.
Waiting on my ASUS to come tomorrow and then I'm returned my defective dell.
The crosshatching on mine doesn't look as bad in person as it does in the picture and it seems to be better than my original monitor, but it is certainly annoying, especially for the price. I am now officially three days outside of my return window. I might have ended up returning it if I wasn't out of town last week. This replacement came one day before my 30 days was up but I wasn't able to set it up until Sunday night. Best of luck to you. I'm curious to see how the ASUS turns out.
Didn't you initially say that your May A00 had slight crosshatching when you received it?