Old Hairy,
Glad you liked it. I suspect you've seen a lot of the other Sunderland videos on YouTube, but here's two you might have missed.
B&W of the famous Sunderland touch and go at the opening of Wellington airport:
YouTube - sunderland fly past
and some colour 8mm footage of the same airshow, that just misses both the Sunderland incident and the near crash of a 617 Squadron Vulcan:
YouTube - Opening of Wellington Airport, New Zealand, 1959