I want to recommend that Operation Gadget readers check out Lifehacker's Firefox user interface customization tips. The article is a tutorial that shows you how to eliminate one of the three default toolbars from each of your Firefox windows.

I gave this a try earlier this afternoon, and I'm pleased with the results. I think these chrome tweaks are particularly important for laptop users. Vertical space on a laptop screen is always at a premium, so anything that you can do to increase the amount of each webpage that you can display is probably worth it from a productivity perspective.