Apple has released several updates to its printer drivers for Mac OS X 10.6 Snow Leopard. The updates include the latest drivers for printers from HP (version 2.4.1) and Epson (version 2.4). More information on installing printer software updates, including a list of supported printers, is available on Apple's Web site. (Free, 387.47/737.48 MB)
Mac OS X Zip Expanding Utility
Firefox (and possibly other applications) may ask you what you want to do with .zip archives that you download from the Internet. If you want to expand them with Mac OS X (rather than StuffIt Expander), you may be unsure of which application actually does the job. You're looking for Archive Utility (in Leopard and later) or BOMArchiveHelper (in Tiger). In either case, the application is stored in Hard Drive/System/Library/Core Services/. Don't move it from there, though, or you'll confuse matters.
HP/Epson Printer Drivers 2.4.1/2.4 for Mac OS X 10.6
Set up short abbreviations which expand to larger bits of text,
such as "Tx" for "TextExpander". With the new custom keyboard,
you can expand abbreviations in any app, including Safari and
On a happy note, this update finally fixed a small issue I was having with my P1006 (where photos would print as if somehow magically down-sampled to 32 or 24 colors). Huzzah.
For simpler, third-party apps, I just make an archive of the current app and any prefs (although that file seldom changes) BEFORE installing the update. If things "go south" all I have to do is delete the new file and un-archive the old on. It's usually much, much more difficult to to use this method for SU stuff, files could be being updated all over the OS... ;-)