Found a great article on shopping for women's lingerie. It's called Thong or Bikini, Sir?. It is a man's perspective on shopping for lingerie.
There is also, within this guide, a link to a wonderful looking on-line store for upscale women's lingerie. The photos are a bit daring, perhaps, for more conservative tastes, but they are well done. Also, I just love the name of the site Agent Provocateur.