I just had to replace my DVD/CDRW unit. I chose for the little difference in cost to go ahead and get a unit capable of writing DVD's as well. I must plead ignorance to all of the terminology though. Is there a good tutorial or summary anywhere in laymen's terms for the different applications relative to these units. (i.e. "+", "-", "double layer", etc. etc. I really don't know what media applies to what I might want to do.Thanks for the help:RTH

try herehttp://www.smartcomputing.com/editorial/ar.../cddvdterms.asp

Thanks loads:Looks like a great help for info.RTH