Firefox 4 Release Candidate Released!

If you are a firefox user, I would recommend upgrading from 3.XXX to 4 now.  The release candidate is solid and an improvement.  When 4 is finally officially released, it will simply upgrade the Release Candidate version.  For those unfamiliar, a Release Candidate version is essentially the final beta version before the official new release comes out.  Typically, there is very little difference between the two.