[Avid-L2] Procedure/Method for Best quality DVD burn?

What would be the Best way to burn a DVD from Avid MC? Program length is about 3 hours 15 minutes.
I have tried splitting the program in two parts ... 2hours and 1hour 15mins.
From MC I Export to Sorenson Squeeze, using the DV codec setting, In Sorenson I use the default setting of either 2 pass VBR setting or 1 pass CBR for Video and PCM for Audio, the transcoded files are xxx.m2v for Video and xxx.wav for Audio.
On my attempt to burn with Nero, the files are not accepted.
With Sonic MyDVD, it re-transcodes takin up almost 12 hours and then aborts the process... the partially burnt Video (on 8.5 Gb Dual Layer disk) Video shows up in good quality but there is only static for Audio).
With DVDit 6. The Video file is accepted but Audio is missing! So cannot attempt to burn!
I have even tried only importing the .mov files only, generated by MC... with the same results.
Any Solutions, please?!!!
Regards
David Deane

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