I've got two black nanos in the house now. Here's my experience:
http://todd.dailey.info/archives/2005/09/27/ipod-nano-screen-scratch-controversy/

I feel much the same as you, I feel like something is odd about the people reporting problems. Either their expectations are very high or maybe there is something wrong with a batch of nanos. I also feel like the press is just jumping on the story based on a few isolated reports. We'll see!