Updated 24.10.2007 – There is not many days left (2 days and 22 hours) for the new Mac OS X 10.5 Leopard. Here are couple guides how to prepare for that with the current 10.4 Tiger: Macworld Excerpt: Getting your Mac ready for OS X 10.5 and TUAW Guide: Getting Ready for Leopard. And yet one from MacFixIt: Special Report: Preparing for Mac OS X 10.5 (Leopard) Installation — Avoiding issues before and after updating.