Maurice - Thanks for sharing your experience. I was really curious about it, but it looked out of place for a wedding. I may need to start looking at belt systems.
I carry everything around my neck. At worst Camera 1: 17-50, flash flip bracket, cords leading down to a Quantum Turbo (strapped around the neck) with a PocketWizard clipped onto it. Camera 2 has 70-200is on a long strap. I'll occasionally move the pc sync to the wizard from the wide to the long. All in all, that's 3 straps and two cables to manage.
Usually I leave one set on the table or pew though.