MacNN notes that Apple is offering an upgrade option for PowerBook G4 (550MHz-667MHz) owners to the company’s recently announced DVD-ROM/CD-RW Combo drive for Titanium G4 PowerBooks. Apple’s Web site states that “the PowerBook G4 Combo Upgrade Program will be offered worldwide from January 14 – March 30, 2002. Customers should check the Apple Web site starting January 14 for further details on how to place an order.” The price for this upgrade is US$299.