Yesterday I sat down to try out an idea in Puredata, started assembling the parts, without knowing how they would combine to a whole, but then realized - by looking at them - how simple it would be to get there.
That's not how the experience usually works in classic procedural code, where you assemble for the goal.
I can't say that I'm more productive, but it's certainly a more joyful experience. As for productivity - it's hard to measure really. I write code that does things that are really simple in principle, but since I can wire them into a powerful set of tools very easily, they end up feeling productive anyway.