All your browser are belong to us
Microsoft Firefox! They are so innovative. 
Just so I actually post something… Here are my favorite Firefox extensions.
1.Adblock Plus
2.Download Statusbar
3.del.icio.us Bookmarks
4.CustomizeGoogle
5.Menu Editor
Most of these are self explanatory. I love menu editor for maximizing my space. Here is what the menu bar of my Firefox looks like.
