Apple also today unveiled the new 12-inch PowerBook G4, which features an 867 MHz PowerPC G4 processor, a standard slot-loading Combo (DVD-ROM/CD-RW) optical drive, NVIDIA GeForce4 420 Go graphics processor with 32MB of dedicated DDR RAM, and built-in Bluetooth housed in a lightweight, durable aluminum alloy enclosure weighing just 4.6 pounds. The new 12-inch PowerBook G4 is expected to be available later this month for US$1,799. Customers can also add a build-to-order option of a SuperDrive (DVD-R/CR-RW) for $200 more.