Hi, I have SONY dru-500ax and NERO 5.5.10.15a

I want to use Verbatim DVD+RW and DVD+R to burn my DVD-Rips, MP3, Games Isos etc.

Should I record in DVD-ROM ISO or DVD-ROM UDF1.02 mode?
I also noticed when selecting UDF1.02 there is no ISO tab where I can select File/Directory name lenght etc.