Have you tried using the compaitibility view? I have yet to download IE8 because of it's problems.
If you want to uninstall and go back to IE7, go to Start -> Run -> Type 'IE8 ' and click on the spuninst folder and then click on spuninst.exe.
If you want to uninstall and go back to IE7, go to Start -> Run -> Type 'IE8 ' and click on the spuninst folder and then click on spuninst.exe.






