Trans Intl. has begun shipping IBM’s 60GB 2.5-inch hard drive for PowerBook G3 and G4 laptops. The drive spins at 5400 RPM and features transfer rates up to 32MB/sec, a high shock rating, quiet operation, and low power consumption. The new drive is also available as an external FireWire portable unit. The internal configuration is available for US$479, while the external FireWire configuration sells for $579.  Updated 12:05: MacNETv2 informed us that they recently published a review of IBM’s 60GB drive.