Which software? noob warning!

Hi all,

I'm wanting to create videos of my performance on the race circuit. I use an in-car black box recorder that creates 1min MP4 files. The Mp4 file contains 2 camera feeds. Here is my video editing process:

1. Batch demux Mp4 file into the 2 seperate feeds
2. Stitch up the 1min files to create the video
3. Take second video feed and create picture in picture

I will be using trackvision to merge my video with engine data so I can show rpm, speed etc. Trackvision also has a chroma key function so I can embed into the final video product.

Can someone please suggest which video editing software is best for what I want to do?

Any help appreciated.

cheers
Ash