Sure, there might only be six people in the world using the Opera browser, however you do have to admit those six people have a pretty nice looking theme for that browser of choice.  Would you like to give Firefox the look and feel of Opera 10?  If so, read on.
Both the Operetta and Operetta Advance themes for Firefox will give you that Opera look and feel you have been looking for.  The main difference between the two themes is [...]

I have seen my fair share of the add-ons for Firefox, or Greasemonkey scripts that promise to integrate Gmail with just about anything and everything.  They all have little flaws in them though, that keep me from wanting to use them all the time. 
One new add-on that might change my mind is Integrated GMail, an experimental extension that does a fine job at the previously mentioned task.  It allows you to make the inbox collapsible and loads your [...]