> “does anyone have

> "does anyone have recommendations on Blu-Ray/DVD Menu Authoring software that supports HD video, 5.1 audio stream, menus, and SL/DL DVD and SL Blu-Ray?"

I recommend DVD Architect Pro from Sony Creatve Software, but it is available only with Sony Vegas Pro.

But you can try DVD Architect Studio, here (it's a lite version priced at $39.95)