From A to Z: Online shopping directory

archivevintage.com

One of the best-looking vintage stores online (with big designer names).

Black Light Vintage

vintage70sclothing.com

1970s fashion for less than $100.

Blue Fly

bluefly.com

Discounted wares from the likes of Calvin Klein, Betsey Johnson and featured designers from "Project Runway."

Brooks Brothers

brooksbrothers.com

Dressing presidents and preppies in navy blue blazers and business suits since 1818.

DecadesTwo

stores.ebay.com/decadestwo

One of the most competitively priced online locales for recent designer fashion.

DressMonkey

dressmonkey.com

Men's jackets in tweed, wool and corduroy.

EBay

ebay.com

With more than 276 million users, the site sells everything from paper airplanes to business jets.

Evolve Intimates

evolveintimates.com

Personalized underwear and bras.

Femmina Style Vintage

femminastyle.com

1950s- to 1980s-era clothing that works with modern fashion.

Freddy & Ma

freddyandma.com

Customize a clutch or tailor a tote bag with hundreds of prints.

Gap

gap.com

A global chain known for its khaki trousers.

Gilt Groupe

gilt.com

Sample sales in cyberspace with high-priced labels for men and women.

HauteLook

hautelook.com

Sample sales for 12 to 48 hours at a time.

Intuition

shopintuition.com

A trend-driven, accessory-heavy, paparazzi-free shopping site.

J. Crew

jcrew.com

Button-fronts, chinos and madras -- everything upscale and casual.

Lands' End

landsend.com

For made-to-measure jeans and chinos.

Mamma Stone Vintage

stores.ebay.com/mama-stone-vintage

Great site for spotting trends (like the tuxedo jacket) before they really hit.

Morgan Miller

morganmillershoes.com

Fashion your own sandals from a selection of 16 bases and more than 100 colors of leather and exotic skins.

Net-a-Porter

www.net-a-porter.com

Women's clothing and accessories from 200 luxury brands.

Red Rose Vintage Clothing

rrnspace.com/shoppingmenu.htm

Detailed listings and a huge selection of merchandise that spans a century (really).

Seen on

seenon.com

This site checks styles seen on "Desperate Housewives" and "Lipstick Jungle" and directs you to where to buy them.

Swank Vintage

swankvintage.com/index.html

A huge selection of vintage pieces from Lanvin, Zandra Rhodes and Halston.

Style Shake

styleshake.com

Create your own top or dress in a simple six-step process.

Shopbop

shopbop.com

Up-to-the-minute trendy looks, dresses and cocktail rings.

Zappos

zappos.com

Electronics, clothes, handbags, eyeglasses -- and footwear.