Ah I think I might've invented the Paisley Harbour branding! - this is basically what I was thinking of though: http://www.glasgowcityregion.co.uk/article/9114/Plans-submitted-for-major-infrastructure-projects
The area from the airport down both sides of the River Cart is meant to be getting regenerated. Covers what used to be "Paisley Harbour" in the olden days.