I have implemented IE support for Protovis, D3's predecessor (https://github.com/DataMarket/protovis-msie https://github.com/DataMarket/protovis-msie). I have a

I have implemented IE support for Protovis, D3's predecessor (https://github.com/DataMarket/protovis-msie https://github.com/DataMarket/protovis-msie). I have also examined doing similar things for D3 but decided it is a dead end. D3 could be patched to work with VML just as it does with SVG but it would mean maintaining all chart drivers in duplicate.