Hi girlies! My friend just txted me about this and I thought it was a great idea! It won't work for me/my wedding but may be of use to some of you.
There's a website called gilt groupe that has designer sales for crazy cheap. Today they have a ton of Vera Wang BM dresses for under 100 (even if not for BM dresses, I think a lot of them make cute dresses to wear as a guest!!!)... I can't use them because they do not come in plus from what I can see and I may need that option for my BP.. but its worth looking into I think. You do have to sign up to view the sales, but it's totally worth it. I haven't ever bought anything from them yet, but my friend has and she swears by them. Anyway it's worth checking out IMO. :)