Hi!
IE appears to have a problem with large VML shapes. This pops up in
Flot (charting engine) because people sometimes want to plot 10.000
points. I've added an issue with a simple patch that fixes the problem
for lines, it just splits them:
http://code.google.com/p/explorercanvas/issues/detail?id=50
Just thought I would mention it in case others have the same problem.
Ole