24X, 32X, 40X and 48X all meet the requirements for sure. Some of the slower ones don't (although some do), but you're unlikely to want to buy anything less than 24X. You can see what Lite-on's are up to the job here >>
http://elby.ch/english/products/clon...l.html#LITE-ON << Two sheep in the EFM column is what you want.
Try
www.pricewatch.com (USA)
www.pricewatch.co.uk (UK) or
www.dabs.com for good prices.