This url doesn't display anything: http://ie.microsoft.com/testdrive/mobile/Performance/SpeedReading/Default.html
update: It took a very long time (a min plus) to display. However once it displayed it completed the animation.
For me, it has loaded in ~15 seconds. The performance on rendering though is not good.
site is loading, but the test is slow. that is a different bug.
(In reply to Mark Finkle (:mfinkle) from comment #3) > the test is slow. that is a different bug. It's bug 600410.