The NEC AD-7170A for 9.99 after rebates. There are 2 rebates both for the Security Software that comes bundled with it. I dont care about the software, but 10 bucks for the drive isnt bad IMHO.
http://www.tigerdirect.com/applicat...1895 ISS&CMP=EMC-TIGEREMAIL&SRCCODE=WEM1335NV
http://www.tigerdirect.com/applicat...1895 ISS&CMP=EMC-TIGEREMAIL&SRCCODE=WEM1335NV