__________________________________ BARRON'S PREVIEW Rolling The Dice. MGM Grand and Boyd Gaming are hoping their newly-opened $1.1 billion Borgata hotel and casino will broaden the appeal of Atlantic City, the gritty gambling mecca on the New Jersey shore. Barron's looks at the challenges they face and the implications for investors. Bitter Pills. A controversial sales technique has put Biovail in the spotlight again, Barron's reports. Is Wall Street losing its ardor for Canada's largest drug maker? Taking a Dive. The government warns that without an overhaul, the federally chartered Pension Benefit Guaranty Corp., which protects payments to participants in private defined-benefit plans, could collapse before the end of the decade, requiring a taxpayer bailout totaling tens of billions of dollars, Barron's reports. Sino.com. The new round of mania for Chinese-language internet portals is being fueled by the skyrocketing popularity of cellphone-based text messaging and online multi-player games in China. Barron's puts the potential of these new revenue streams into perspective. Yield Gusher. U.S.-listed Canadian royalty trusts, which invest in energy properties and pass through the cash flows from oil- and gas- producing facilities to shareholders, pay double-digit dividends. But investors need to be aware of the risks, Barron's says. Plugged In: The Next Big Thing Is Really Amazingly Small. The growing hype over nanotechnology, a science focused on the manipulation of individual molecules, resembles that seen in the early days of the Internet boom. Barron's points out the differences and offers suggestions for investors. The Electronic Investor: Online Education. Online trading school can help you learn more about the markets and the tools available to keep you informed. Barron's highlights one site. This week Barron's interviews Blair Levin, a veteran observer of communication wars, currently with Legg Mason Wood Walker. He offers his insights into some of the latest issues in telecom and media. COMPLETE STORIES are available at Barron's Online (<A HREF="http://www.barrons.com)" target="_new">http://www.barrons.com)</A> and in Barron's magazine.