Launch advertisers include American Express Co., Black & Decker Corp., the San Francisco Giants and Strouds, a bath and linens chain. WHAT'S THAT?Ad prices range from $300 per month to $30,000 per quarter.Petry Ventures handles all national online sales for At Hand.`THE WEB IS A SOLICITED MEDIUM'"The Web is a solicited medium; not many browse aimlessly," said Carla McMorris, director of marketing, advertising and sales for At Hand. "We built the site for consumers to find what they're looking for; advertising becomes information when consumers are searching for a product."An MARKETING? AD?ad campaign by CKS Partners, Cupertino, Calif., carrying the tagline "At Hand at play," breaks Sept. 1 in publications including the Los Angeles Times, San Francisco Chronicle and Wired as well as outdoor boards, posters OK, WHAT'S A WALLSCAPE AND A WILD POSTING?random grassroots marketing--painting sides of buildings and posting weird posters on the sides of buildings...and online advertising.PUBLISHERS PROVIDE CONTENTThe site is broken into 13 thirteen units, such as entertainment and leisure, and house and home.Pacific Bell licensed regional content from a handful of publishers, including HarperCollins Publishers, Hearst HomeArts, Los Angeles Times Syndicate, New York Times Co. Magazines Group, Time Inc. and Zagat Surveys. The site will feature articles from magazines like Food & Wine, Golf Digest, Travel & Leisure, Hollywood Reporter and California Camping. Advertising will be pegged to specific content areas.Ms. McMorris sees her main competition coming from AT&T's Hometown Network, Yahoo! Los Angeles and Yahoo! San Francisco and America Online's Digital Cities."Offering service and convenience to the user is what the regional market is focused on," said Ms. McMorris. "That's exactly our focus with At Hand."