Well, the good news is that you can get DVD burners so cheaply, it makes no sense to buy CD burners or DVD readers or CD burner/DVD-ROM combos.
http://www.newegg.com/Store/SubCateg...CD-DVD-Burners
Just be sure you get the correct interface--PATA (old two-inch-wide, forty-pin cable) or the narrow, four-pin SATA, commonly known as Serial ATA.