Techno-savvy stylistas will be able to personalize their Dell laptops through a partnership with nail lacquer expert OPI. Beginning next month in the U.S., Dell will offer 20 OPI classic colors and six holiday collection shades— including “Dear Santa,” “Merry Midnight” and “Smitten with Mittens”—on its Dell Mini, Inspiron and Studio laptops. Shades will be available firston Dell’s websitein the U.S. and later in other countries. Select OPI colors also will be available at many ...