I finally bit the bullet and installed Snow Leopard over last weekend. I did a clean install (i.e., reformat and install afresh) - considering the significant under-the-hood changes that this OS revision has.
The basic steps I followed are:
Cleaned up the existing Leopard install to remove applications, preference panes and documents I did not need Reviewed the preferences under ~/Library/Preferences as well as the application support items under ~/Library/Application Support and removed the items which were out of date or detritus from old installs Took an image backup using SuperDuper! of the Leopard install Took a backup of the disk using Time Machine to allow easier data restore during the installation De-authorized my iTunes to prevent increment of the install counter after reinstall of the OS Popped in the Snow Leopard DVD and started the install During installation, I used the Disk Utility to reformat the Mac OS partition I also did a custom install to prevent the printer drivers (over 2 GB) being installed. In addition, I selected the optional Rosetta and Quicktime 7 components (seriously Apple, these take less than 10 MB - why the optional tag?) Waited for around 20 minutes to have the base image installed, and then used the migration assistant to restore data from my Time Machine backup The install was relatively smooth, and restoring the data from my Time Machine backup also went without any issues. However, post-install, some of the glitches started appearing:
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