I picked up OS X 10.4 and iLife’05 while on holiday, and finally got around to installing them both. Tiger’s amazing ; Dashboard is a piece of fluff, but it’s nice fluff. The real shining upgrades to Panther are Spotlight, the new Mail.app and all the Core stuff. If you’ve got Tiger, install X-Code 2 and then run Core Image Fun House to see just how cool Core Image is. I’ve not played with iLife enough yet to make a cal on whether or not the upgrade was actually worth it for me. I really only wanted iPhoto5, but it’s not available except as a part of iLife.