Video:
http://www.youtube.com/watch?v=jCdiy7PTAm0
page that cause the bug:
http://ninkungz.exteen.com/20110316/ie9
When hover some link at 150% page zoom, content is disappear. And reappear when select text, or press Ctrl-A.
System:
Windows 7 Professional 64-bit SP1
AMD Athlon 64 X2 5200+
Nvidia 9800GT GPU Driver version: 266.58
IE 9 RTM 9.0.8112.16421