This is actually a huge issue, and many new accord owners have had to have their rotors resurfaced as early as 3000 miles. I am one of them.
If you want to find out more about this, check out the forums on edmunds.com, townhall-honda-accord.
There are a few theories floating around about what's causing it. The one I'm more likely to believe is that at assembly, the lug nuts were over-torqued. But they range from that to poor brake rotor design, which I seriously doubt because they were supposedly upgraded in the 7th gen.