Using Steam on a case sensitive file system on Mac systems :

Using Steam on a case sensitive file system on Mac systems :
Create a disk image using Disk utility (non-sensitive filesystem)
Double click the image to mount it
Copy Steam.app on the disk image
Fire Terminal.app, and type
mkdir /Volumes/<YourImageName>/Steam
ln -s /Volumes/<YourImageName>/Steam Library/Application\ Support/Steam
mkdir /Volumes/<YourImageName>/Steam\ Content
ln -s /Volumes/<YourImageName>/Steam\ Content Documents/Steam\ Content

Launch Steam.app from the disk image, you're done !

This tip is brought to you by cedric (at) gatay (dot) fr