Avid Media Composer is the software used throughout broadcast production - it's even won Oscars. Packed with features and effects and an interface honed by years of intense editing.
Sony Vegas has excellent quality effects, true 3D effects, excellent audio support and complex DVD and Blu-ray writing using DVD Architect.
With version 12 Sony have made Vegas available on its own, in a bundle with DVD Architect or with Architect and New Blue Titler Pro. DVD Architect 6, the version which comes with Vegas 12, is one of the few programs which can make full quality 3D Blu-ray discs with menus.