TechRestore announced the immediate availability of glossy screen upgrades for Appleis 12, 15, and 17-inch PowerBook G4 on Wednesday. The overnight service includes overnight laptop shipping, a 24 hour turn around on display installation, and overnight return shipping. Matte-finish displays, and iBook G4 displays are also available. Flat-rate display replacement pricing starts at US$449 for PowerBooks, and $349 for iBooks.