Well... that can't be any further from MY understanding of the "preppy" look, which is something like this:
http://farm4.static.flickr.com/3024/2755551888_b772af53ec_b.jpg
http://www.flickr.com/photos/philipmaynard/3329655614/sizes/l/
I guess I can pretty much describe that as my style. Brands which I'd buy from - and consider "preppy" - are Ralph Lauren (e.g. Polo, etc.), Brooks Brothers and J Crew.
Well, that's just my personal take. I'd like to hear about your opinions. In the end, labels don't really matter but I was quite shocked when I described my style as "preppy" and people associated that with Hollister or Abercrombie!
If anything, Hollister and Abercrombie are more "ghetto" than preppy... or aren't they? =p
更新1:
... Incidentally, the boys I've met mostly share my understanding of "preppy". For boys, that would be blazers, checkered sweaters, polo shirts and the like. So the "preppy = Abercrombie" conception seems to be mostly an American girls' thing.
更新2:
To LBTM: That definition agrees with my understanding... I always knew I was right haha, but I was asking for your opinion.