Retail roundup: Best Buy Express, Amazon sales tax, airport shopping, Bratz

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-- Best Buy announced that it is adding nearly 100 Express kiosks in the next year, including locations at Downtown Disney in Anaheim, college campuses and ferry hubs.

The kiosks offer consumer electronics such as digital cameras, headphones and computer accessories and are currently located at airports, train stations, casinos -- even turnpike rest stops. The Minneapolis retailer said the move was to help serve on-the-go consumers.

-- Amazon.com is trying to overturn a new California law that requires it and other online retailers to collect sales taxes on purchases. Signature-gatherers for the petition effort are out in force -- many of them stumping outside brick-and-mortar retail stores.

-- Speaking of on-the-go consumers, major retailers are turning to airports to sell merchandise -- and we’re not talking about your typical ‘I heart L.A.’ shirt. According to the New York Times, stores are branching out and looking for items they can sell to the whole family.

-- Bratz maker MGA Entertainment won big in April when it beat toy giant Mattel in court over the rights to the doll line. This week, U.S. District Judge David O. Carter made that victory a bit sweeter: He ordered Mattel to pay MGA $310 million in fees, damages and other costs.

-- Andrea Chang