OgilvyOne has been awarded interactive duties for Yahoo! and will open a San Francisco office to support the account. OgilvyOne will provide interactive creative services, including digital media creation and execution for Yahoo!’s core product offerings. Spending was not released.

Hart Skis has selected marketing design communications firm Adsoka as its agency of record. Terms were not disclosed.

Alltel has selected Campbell-Ewald of Detroit as its agency of record. The account is estimated at $100 million.

Horizon Media has been tapped by AEG Live, an L.A.-based collection of companies devoted to high profile live entertainment events, to handle the media planning, buying, and promotions for their current production, Celine Dion’s “A New Day…” at The Colosseum at Caesars Palace in Las Vegas. The campaign will include local TV, radio, and print components targeting several Las Vegas feeder markets, including Los Angeles. The incumbent agency was Mediacom. Billings are not being disclosed.

Euro RSCG Worldwide New York and Grupo Gallegos Long Beach have been named U.S. agencies of record for the Dos Equis and Tecate brands respectively. Euro RSCG Worldwide will provide marketing strategy and creative execution for a new campaign. The agency bested Merkley & Partners, Fallon, TBWA/Chiat/Day, and Crispin Porter for the win. The account was previously held by McCann Erickson New York. Grupo Gallegos will handle Hispanic strategic planning, creative advertising, media planning, and buying responsibilities. Additionally, MediaVest USA was awarded media buying and planning for the Dos Equis Brand. Spending was not revealed.

Young & Rubicam has been awarded Weight Watchers International's estimated $45 million account. The agency beat TBWA/Chiat/Day for the win.

L.A.-based davidandgoliath has been selected to handle the Palms Casino Resort in Las Vegas account. The agency will produce a television, print, and online marketing campaign. Additionally, the agency will create advertising for the N9NE Group of restaurants and nightspots, a joint venture between the Palms and N9NE Group’s owners. Spending was not revealed.

Keiler & Company has been named agency of record by DUX, makers of The DUX Bed. Keiler will handle the development of all broadcast and print ads and collateral material, and the redesign of its Web site for the North American division of the Swedish-based bedding company. Terms of the budget were not disclosed.

Oster Professional Products Division has tapped Harlem-based agency Nu America as its creative and promotional agency of record to market its "Art-Teq" super trimmer. Spending was not revealed.

The race for the JP Morgan Chase account has been narrowed to three agencies. They are Carat, Initiative, and Media Planning Group, all New York-based.