While some people feel IE7 is faster than Firefox 2.0 at either loading Web pages or loading itself, many readers commented to us in e-mail that Firefox 2.0 is either slightly or significantly faster than Firefox 1.5:

Firefox 2.0 may be a tad faster to you, but it is orders of magnitude faster for us than v1.5. -- Phil Davis, Atlanta

Finally, from Mozilla's Firefox 2.0 Release Notes, here are two things you should be aware of:

When you're printing Web pages with text areas, if the text area contains a misspelled word and inline spell checking is enabled, all the content in the text area following the typo will not be printed. The workaround is to right-click the affected text area and uncheck "Spell check this field" to turn off spell checking temporarily.

According to the release notes, the "Shrink to fit" image option was disabled in Firefox 2. However, when we checked our several Firefox 2.0 installations, including ones that created clean new profiles, we found that the about:config setting for this feature was set to "true," which should enable image resizing: