Move the headline text to the middle of the page (or into the box that holds the video). Choose a better font combination.

Don't make your sign up button Red. Make it green or blue. Red means "Delete" or "Cancel" or "Eject" or "Make wings fall off".

Lose the "our customers" bit. They're not well known, so they don't infer anything. Put a screen shot gallery there instead.

Product looks OK thought. It's not something I know much about, but it looks OK.