1.      Stumble, Digg and Del.icio.us Toolbars

These are three separate toolbars but they come in very handy if you use these services on a regular basis. Running all three at the same time will take up some serious real estate on your screen so I would suggest activating them only when you need them or just choosing the one you like.

2.    Feed Sidebar

This is a lightweight add-on that adds a collapsible sidebar to your...