Hi, I have been looking around the web for information on Nero settings. I have a full backup of a dvd that i have on my hard drive, that i created using dvd decrypter and dvd2one. The problem is with the booktype settings in nero and what they do and what to select for burning Dual layer Dvd video disks. Nero gives 3 booktype settings within recorder setup: Dvd-Rom Physical disk type Current recorder settings What do these booktype settings mean and what are their uses. Which would be best for standalone dvd players and DVD backup? I am using an Nec 3500a(g) with the latest 2.18 firmware. Thanks.