officemax.com:

Khypermedia 48x24x48 CDRW Drive $70 - $50 rebate - $20 rebate = Free
Cendyne 52x24x52 External CD-RW Drive $110 - $30 rebate - $30 rebate = $50

use a 30 off 150 coupon:
http://www.officemax.com/special/q330