So, how do you like it so far?

Frankly, I have yet to see anything about it that is better or a real improvement over previous versions. I imagine/hope it runs better "under the hood", but who knows.

I have already had to find a few hacks to fix some weird behaviors.

1) cntrl+mouse wheel behaves in the OPPOSITE manner as before. Wheel down used to zoom/increase text size, and up was to decrease. They switched this for some reason. You can fix this by browsing to "about:config" and making the change described here:

mousewheel.withcontrolkey.action = 3
mousewheel.withcontrolkey.numlines = -1
2) The bookmark window is TINY and cannot be resized or moved. I imagine this will need a core change or a nifty add on to entirely replace the bookmarking system. In the meantime, I at least found a hack for making it bigger. Link here.

Go to your profile folder for Firefox (most likely something like C:\Documents and Settings\USERNAME\Application Data\Mozilla\Profiles\SOME_WEIRD_RANDOM_ASS_KEY\ch rome\).

Copy the userChrome-example.css file to userChrome.csss

Then open userChrome.css and add this to the end:

Code:
/* Increase initial size of bookmarks panel */
#editBookmarkPanelContent
{
min-width:410px !important;

}

/* Increase size of the expanded bookmarks panel */
#editBMPanel_folderTree
{
min-width:400px !important;
min-height:400px !important; 
}
3) Something is really, really strange with the auto-completion when you type addresses into the address pane. I think I prefer it only looking through my history. Right now it makes all sorts of crazy guesses that I really don't need.