Chicago: The Daisy Shop
Every single one of the shop's almost 1,200 designer couture items (in store and online), ranging from Lulu Guinness handbags to Alexander McQueen suits, is either recent (from the past four years) or over 30 years old. "Anything between five and twenty-nine years old is just called passé!" says owner Barbara Nell. Recent score: Michael Kors eyelet dress $297. Retail price: Around $1,500. 67 E. Oak St., 6th Fl., 312/943-8880, daisyshop.com.
Dallas: Clothes Circuit
BCBG, Betsey Johnson, and Tory Burch galore! The store draws from over 19,000 consignors and stocks chic evening wear as well as high-end costume and fine jewelry. Recent score: Chanel Camélia black silk brooch $145. Retail price: Around $210. 6105 Sherry Ln., 214/696-8634, clothescircuit.com.
Greenwich, Conn.: Consigned Couture
Though this 2,200-square-foot store carries Dior and Chanel, Derek Lam and Theory, the denim alone is worth the trip: Think J Brand, Rock & Republic, and 7 for All Mankind in sizes 0 (ha!) to 14. Recent score: Chanel quilted logo bag $200. Retail price: Around $2,000. 134 E. Putnam Ave., 203/869-7795.
Denver: Puttin' On the Ritz
Priding itself on having something for every shopper, this store offers sizes from 2 to 22, prices from $15, and labels ranging from Eddie Bauer to Trina Turk. Recent score: Dana Buchman Black Label sheer floral blouse $45. Retail price: $400. 1446 S. Colorado Blvd., 303/759-4398.
La Jolla, Calif.: Encore of La Jolla
This city is home to the costliest real estate in the country, and Encore sprawls across 10,000 square feet of it. You'll find Manolos, Missoni, and more, but the specialty here is handbags. Recent score: Gucci black-and-white cocktail dress $395. Retail price: Around $1,600. 7655 Girard Ave., 858/454-7540, encorelajolla.com.
Scottsdale, Ariz.: My Sister's Closet
At this chain's four stores in the Phoenix area, you'll find trendy labels like BCBG and 7 for All Mankind, and shoes galore—at up to 90 percent off retail. Plus, hundreds of new items are added daily. Recent score: True Religion jeans $25. Retail price: $250. 6204 N. Scottsdale Rd., 480/443-4575, mysisterscloset.com.