I just found this awesome library after watching Fronteers talk by @alexgraul and, while I was poking with examples, the most interesting (for me now) threw this: http://cl.ly/image/3F2D2z0j0z43 (sorry for messed up retina shot).
Same on Chrome 23 and Safari 6.0.2
I'd love to help, but debugging complex JS is not my forte.
Cheers, and thanks for the library. Looks like that's the missing link between raw data and d3 visualisation power.