8dio has some nice sampled orchestral instruments.
Vocalign has a $150 version. But so far I think I don't have any real sync issues on the ADR in our next movie.
Focal. They make some headphones. They're about $1500. Seems like they sound pretty good.
Garritan Personal Orchestra.
Wanna find the frequency of your tinnitus? Or, if you have really good headphones, where your hearing actually kicks out? Yeah. No. But yeah.
this is what I did.