Hugh,

The T410 has Intel integrated graphics.  Video playback (like YouTube) isn't the problem.  It's things like outright IE9 crashes where it wants to send the crash info to MS, or like tonight, I had 5 tabs open and everything was going fine then at some point when I clicked on another tab, the window wouldn't change.  It continued to show the last tab.  I had to close & reopen IE9.

Yes, the video drivers are current using lenovo System Update.

I've been a member of the ThinkPads forum since 2006 when I got my first IBM ThinkPad, a T21, which I still have.  I know Bill.  I use the same screen name on that site as here on the Norton site.

I'm thinking of trying to reset IE9 back to factory defaults, but first I want to make sure I know what options/addons/search/accelerators/toolbars I have since those will all be wiped out.  I've also read where opening multiple tabs can be a problem.  I may try going back to just one tab for a while to see what happens.