I'm liking FF4 so far. I was using Chrome but they never fixed my endless "Sending request" bug, no matter how many times I and others reported it, so I'm giving up on them for now.
Open your proxy settings and uncheck "Automatically detect settings" and your "Sending request" bug will be gone.
If I were a grave-digger or even a hangman, there are some people I could work for with a great deal of enjoyment. -- Douglas Jerrold