Apple today announced new PowerBooks with higher-resolution displays and up to one hour more battery life on the 15- and 17-inch models. In addition, every new PowerBook now includes a DVD burning SuperDrive with prices starting at US$1,499. The new higher-resolution PowerBooks provide significantly more screen real estate and include the 17-inch PowerBook with a 1680-by-1050 pixel resolution — 36 percent more than the previous generation — and the 15-inch PowerBook with a 1440-by-960 pixel resolution — 26 percent more than the previous generation, notes Apple.