MCE Technologies has added a 160GB hard drive with a fast rotational speed of 5400 RPM to its MobileStor line of PowerBook, iBook and Mac mini hard drive upgrades. The MCE MobileStor 160GB/5400RPM drive is the highest capacity drive available for the Apple PowerBook and includes an 8MB cache buffer. The drive has a price of US$399 and is available for immediate shipment.