FREE: External DVD burner

The listing, External DVD burner has ended.

External TDK DVD burner, model DED+440, with power supply. You can connect this drive via either USB or Firewire. Also has external audio outputs, so you can use it as a CD/DVD player.

You could always remove the CDR and use it as an external drive enclosure.

Goes for around $ 80
It's both a reader and writer ( burner).
you can also remove the drive from the case and use the case for something else, since it has BOTH a USB 2.0 as well as a Firewire port.
would fit 2.5 and 3.5
Capture, Create, Premiere. Featuring DVD+R/+RW, DVD-R/-RW and CD-R/RW recording capability plus IEEE 1394/FireWire and USB 2.0 connectivity, the external Indi DVD 4x Multi-format burner delivers unprecedented flexibility and power. Create DVD videos and photo slideshows that play in your home DVD player, rip and burn music and back up your hard drive with total control. Kick back, pop in a DVD and watch it on your PC. With Indi DVD, it's all simple and fun.

DVD Write Speed 4x
DVD Rewrite Speed 2.4X (+RW); 2X (-RW)
DVD Read Speed 12X
CD Write Speed 16X
CD Read Speed 40X
CD Rewrite Speed 10X
CD Rip Speed 32X
Burst Read 16.6 MB/sec.
Buffer Underrun Protection Yes

PC & Mac compatible
here are more spec http://www.techexcess.net/ProductInfo.aspx?productid=TDK-DED440-EXTERNAL-MULTI-FORMAT-DVD-RW-DRIVE