2013-11-07 Maverick WARNING

I currently have knowledge of 4 instances of unpleasantness with the installation of Mavericks.

2 of these relate to the installation itself: it CAN go wrong. One stalled at "34 minutes left", and was gone after reboot and partition verify and repair, that was needed in ordre to even get the machine to boot. The other downloaded and installed the update, but was then aborted due to inpatientness (is that a word?) and again left the partition un-bootable. Verify and Repair did the job there.

The two other instances relate to the speed/performance