I would not use Nero any longer. Nero 6 was about as good as it got. The later versions do some insidious things to your computer which can impact other applications that want to use your burners. I made the mistake of installing Nero 9 and it screwed up my Premier Pro and Vegas Pro applications so badly I had to re-install the operating system. Keep in mind, Nero does have a tool you can use to completely remove thier application.
Whenever you see a company having to create a tool to remove thier software, you can bet they are doing things they should not be doing (i.e. replacing system files).
Imgburn is a free burner tool which works better than any other commercial burner application I have ever used. It is also very computer friendly. I like it well enough I donate to the developer.