okay, I tried it and can't use it. It doesn't have the ability (that I can see) to view pages in "basic" style, and more seriously, I can't use it with my delicious tags.

so, anyone know how I "undownload" version 4 and go back to the previous version?

I updated to Firefox 4 and have but one complaint. I've got the Google toolbar installed, and the search history in the drop down menu of the query window is not accessible by mouse. You can see your previous search terms, but when you click on them, it does nothing. The only way to access them is to click on the drop down arrow and then use the arrow keys on your keyboard to select the search term you want, and then hit enter to select it. It's an annoying bug. I didn't realize how often I accessed that search history until it stopped working.

hmm. On mine, there's a bright orange drop down box in the upper left corner. When you click on it, you can click on the history, then click a history item.

it's apparently done away with the option to save your tabs before closing. wtf?

Under Tools> Options > General > Startup
choose "Show my tabs and windows from last time."

It doesn't ask you anymore, it just does it.

okay, wise guru--what about the View Menu? No option to view a page as a "basic" style?

If you close with the red X, it asks. If you use the Firefox menu to exit, it doesn't. I got burned by that.

Sounds like a bug. Submit it here: https://bugzilla.mozilla.org/

finally found the toolbar with the "view" menu. good.

don't like where the refresh button is. some random place in the middle . . .