I can't test this on IE<9 right now, but comparing to flot it seems they added the option to put axis labels, which I think is a big deal. In flot you can do it

I can't test this on IE<9 right now, but comparing to flot it seems they added the option to put axis labels, which I think is a big deal. In flot you can do it, but you need a plugin. Now if they add also a 3rd parameter to points (x,y and identifier) it will be amazing.