Even though there still aren’t any mainstream Thunderbolt peripherals, owners of Thunderbolt-equipped Macs should probably install the Thunderbolt Firmware Update to be ready. All Apple is saying is that it “provides Thunderbolt performance and stability fixes,” but given how new Thunderbolt is, it seems likely that Apple would still be squashing bugs. Since this is a firmware update, be sure not to interrupt the update process that starts after your Mac restarts. (Free, 486 KB)
Spacebar Magnifies Photos in iPhoto '08
In iPhoto '08, you can choose whether double-clicking on a photo will edit it or magnify it. I prefer my double-clicks to edit photos, but every now and then it's nice to magnify a photo. To do that, even when double-click is set to edit, just select the photo and press the Spacebar.