DVD burners are slightly slower burning CD-R + CD-RW than a comparable CD-only burner of the "same vintage". But the higher quality standards and better design of the DVD burner generally means you get almost<?> no bads burns. Rick Glazier From: "Tony Beckett" >I have a quantity of unused CD-R 700Mbyte CD's and wonder > if the DVD writer in a new machine would be able to use > these CD's for burning jobs of less than 700Mbytes. Visit our website regularly for FAQs, articles, how-to's, tech tips and much more http://freepctech.com