I'm having a problem installing Air on 2 macs. The symptoms are the same - the installer launches and nothing else happens.
Macbook Pro (Feb 2008); 2.5 GHz; MacOS 10.6.3
PowerMac G5; dual 2.5 GHz; MacOS 10.5.8
Both computers have Design Premium CS3 installed, in case that matters.
Here's the log off of the laptop: