One thing I really like about this is the Python snippets alongside the chart, right there on the front page. It's unobtrusive but gives me an immediate feel fo

One thing I really like about this is the Python snippets alongside the chart, right there on the front page. It's unobtrusive but gives me an immediate feel for how script x could produce chart y. If these aren't just stylized and you could make them live editable somehow you'd really be onto something.