I am currenlty using Screenblast 3 and have a CD Burner. I am using the free version of TMPGenc to encode AVI files to MPEG for VDC. However, I am going to be getting a DVD burner and want to burn DVDs. I have read here that you need DVD authoring software and I am not sure what that is. I note on the TMPGenc website, they have DVD authoring software although why would that be needed if the free version authors MPEG-2? Isn't that what is used for DVDs? Also, my Screenblast program says it authors DVDs, but I found it was terrible for authoring VCDs so I supsect it will be the same for DVD and want to use something with better quality. I also have Nero 5 for burning to CD/DVD. In addition, I have MySonic DVD software but haven't used that yet.