Hello
In my limited experience using the Quick Time conversion you suggested wont give you the best results and that you will probably need to consider a software plugin or third party software or even a conversions house (expensive but good quality) in order to first convert you master NTSC footage to a master PAL. Then encode to PAL mpeg 2 using PAL settings and then set up a PAL project in DVD SP with PAL formatted menus and then burn as normal.
Conversion tools:
I think the latest version of compressor does a conversion but I haven