Here are some online stores to get you going on this whole vintage shopping expeditions, or simply for some inspirations:
cmadeleines.com (Rare Designer Finds)
From Nolan Miller to Norman Norell, here's where you can go to find rare pieces and authentic couture from the high-fashion names of decades past. And be sure to visit the Attic, a section of retro dresses, suits, accessories, and wool jackets with no labels but still plenty of style.
decadestwo.com (A Taste of Hollywood Glam)
The Melrose Avenue Decades boutique has long been the go-to spot for a vintage fix. Its site includes a gallery of Oscar-worthy gowns as well as more contemporary glam items in the Decadestwo consignment section.
rustyzipper.com (Fun Retro Pieces)
This collection runs the gamut from funny (bowling shirts) to froufrou (prom dresses with flared tulle skirts). Best yet? Almost all pieces in this vast selection cost under $40.
shopnastygal.com (Mostly '80s)
Focusing on the '80s style, this online destination takes an innovative approach: Alongside clothing truly from that memorable decade, they offer a great new grouping inspired by the era.
vintagevixen.com (Well Priced)
More focused on having fun with fashion than on high-end labels, this cheeky site offers up a style-oriented search in clever categories (are you more Goth or Grace Kelly?) that make it amusingly easy to pinpoint your choices.
There you go. Happy hunting!