No doubt there'll be an add-on to emulate "old" behavior before the end of next week.

Personas: Plenty to choose from, but it really only affects the top 100 pixels and the bottom 50 or so, so you have to find a pic that has the right colors in those very narrow areas.

Now if they could only allow you to change color schemes of the websites actually shown...like FT and its 20th century blue scheme, for instance...