Apple SuperDrive
This is the optical drive Steve Jobs uses. Probably. The aluminum case matches nicely, but the price is hard to justify unless you just love Apple products. The slot-loading drive measures .47 x 5.47 x 0.67 inches and weighs 0.74 pounds. $79, details here.

Samsung Portable Optical Disc Drive
Oh! The colors, duke! The colors! Winner of a 2010 iF product design award, it features a sleek, rounded design with a curved surface and a metallic center line. It also comes in a variety of vibrant colors, including black, blue, pink, red, silver, white, and yellow. This slot-loading drive measures at 6.2 x 5.6 x 0.8 inches and weighs 0.93 pounds. $49.99, details here.

ASUS Slim SDRW-08D2S-U
Go vertical with Asus' really slick (or really loud) glossy optical drive with a diamond-cut design. Also available in black. Tray-loading drive measures 5.59 x 6.18 x 0.83 inches, and weighs 0.69 pounds. $59.99, details here.

Targus DVD-ROM External USB 2.0 Drive Miss the clamshell? Then get a clamshell optical drive! This glossy black, top-loading optical drive measures at 9.2 x 7.8 x 2.1 inches and weighs 0.75 pounds. $59.99, details here.

Toshiba Portable SuperMulti Drive
This black, rounded edge drive is smooth looking, except for the bold logo right on the top of the tray-loading drive. Measures 5.7 x 79 x 5.8 inches, but wicked-light at 0.213 pounds. $99.99, details here.