Anyone notice or have an issue where when switching tabs you get a flash of white before the new tab shows? If you switch between two tabs that have recently been opened there's no problem. But switch to one that's been left open for a while then you see the problem. Another way to check is quickly ctrl-tab through the tabs, you'll get white screens on any tabs that will cause the problem, while others will display the page properly. The tab switching seems to be faster than previ