Just downloaded and installed the Combo updater on my PowerBook. Unhappy to report that there is a problem, albeit a relatively minor one. Normally when you type in the Finder, whatever file matches the letters you're typing will be highlighted. For example, if you type "SAF" in the Applications folder, Safari will be highlighted. That's not working at all for me in 10.4.3, and it was working fine earlier today using 10.4.2. Now when I type in the Finder, nothing happens. The arrow keys also don't work in the Finder. Definitely a very annoying bug, although not a show stopper. I'm going to repair permissions and restart...