Everybody can edit. Every compositor knows how to edit videos, so it’s best if you would learn how to composite also. I got the production premium for student and love it. it’s only 500 dollars and I get all the tools I need. It have after effect for compositing, premier pro for editing, audition for sound, illustrator and photoshop for visual elements, bridge for files management, adobe media encoder for encoding, and encore for dvd authoring. ( it also have flash but I don’t know if you need it) it have all the tools that makes your creative dream come true.
I would not go with final cut anymore because it is a major downgrade. If you do plan on getting final cut then get final cut 7, but just know that it will never get any better.