More things not to worry about? More Disk Utility confusion.
In 10.3 , there were “spurious permissions,” false positives when repairing permissions with Disk Utility. See http://blogs.4j.lane.edu/hochberg_m/2008/09/09/when-repairing-permissions-keeps-fixing-the-same-things/ In 10.5, they are “accurate but not a cause for concern.”
The two types of messages I see most often begin with “Warning: SUID file…” or “ACL found but not expected on…”
