I haven't read all the comments here, so I am probably not responding to them. I just wanted to say "Hi" to the OP, because I am white (German, mostly) and my husband is African (West). We are expecting our first in July. We live in upper Manhattan. Congratulations to you OP! Let's get some coffee or lemonade later in the summer with our 'cuter, mixed' babies, maybe in Central Park. LOL.
You know, I have oddly only gotten this kind of comment from some (lovely) Jamaican and Dominican women I work with at an education non-profit. One woman, who I really like, said "I hope you have a girl, because mixed kids are so beautiful." I thought it was a funny thing for her to say (I think I said something about how beauty isn't exactly wasted on boys...), but I didn't take it as offensive per se. I have had conversations with people in which I said how excited I was to find out what our child will look like, because my husband and I are basically physically opposite. He has very dark skin, is extremely slim (a sort of modern dance body), and has very high cheekbones. I am very pale (translucent, German), heavy/rounded (in a more pin-up way), and have a round head. Who knows what will happen.
People in this country do have an odd fascination with mixed kids, I totally grant you that. I wonder, though, were these people you are talking about in NYC? Maybe I run in weird circles, but I see a lot of international families, and most of them are more 'interesting' than my own: Korean-American/Indo-Trinidadian kids, Chinese/Nigerian kids, Nepali/Italian kids, Dominican/Moroccan kids, etc. So, you know... well, New York. Thank God for New York.