* Mozilla has a new advanced preference panel for fine-grained JavaScript control. For instance, you can disallow pop up and pop-under windows without turning off JavaScript altogether. (Bug 75371)
The shortcut icons don't stick. And I had one window with the Google, news.com, and zIWT icons, and another window with ZDNN, LinuxToday, and the zIWT icons. I couldn't get all of the icons on the button bars on both windows. :-P