BenQ has announced that they've added two new external drives to their storage product line. Here's part of their press release:
BenQ, a leading manufacturer of digital lifestyle devices, today announced the expansion of its storage product line with two new external drives that feature a double-layer recording capability. Both the slim-line TW200D DVD+/-RW drive and EW16GA 16x DVD re-writer are designed for portability for on-the-go professionals.

To maximize convenience, the TW200D's slim and lightweight design enables easy portability, and provides the space-saving flexibility of being placed or stored either vertically or horizontally. The TW200D offers 24x CD-ROM and 8x DVD-ROM read speeds as well as 2.4x DVD+R double layer, 8x/4x DVD+R/RW, 8x/4x DVD-R/RW and 24x CD-R/RW write speeds. The unit weighs approximately 14.5 ounces (410 grams), and the casing dimensions are 5.5" (wide) x 0.85" (height) x 6.2" (deep).

The EW16GA provides 48x CD-ROM and 16x DVD-ROM read speeds as well as 8x/4x DVD+R/-R double layer, 16x/8x DVD+R/RW, 16x/6x DVD-R/RW and 48x/32x CD-R/RW write speeds. The unit weighs approximately 3.35 lbs. (1.52 kilograms), and the casing dimensions are 6.7" (wide) x 2.4" (height) x 9.5" (deep).
The TW200D and EW16GA are expected to ship in March and will cost $299 and $249 respectively. More information on both drives can be found here.