This will change when more tests are done.
0- Get your files (ty) ready for process
1- Open TyStudio and select your ty
2- Cut anything you don't need
3- Select elemental stream/no transcode for Dtivo or 48000 for SA
4- Run DVDLab 1.2, import m2v/m2a files and create DVD (flexible muxer)
5- Check chapters/sync/menu with PowerDVD
030819 I think the GOP timecode is recreated in latest TyStudio (0.5.0) so you don't need to GOP fix with mpeg2vcr to create good chapters with DVDlab.