If you’ve ever wanted an app to be shown on every spaces you can. Go to System Preferences > Expose & Spaces – And add the app and select “Every Space”. The app will now stay on every space when you switch. Great for keeping itunes on one screen when watching podcasts!
I was looking for a way to switch between my line out options on my Mac Pro. I wanted to be able to switch between my headphones and my table speakers. So i stumbled across this little app that adds an icon to my menu bar with a bunch of switching options. You can pick it up at http://www.rogueamoeba.com/freebies/ The company makes awesome apps like Airfoil and Nicecast. Also the pong screensaver is great!
Need to see hidden files in a save dialog box in osx? hit command + shift + . and you should see those hidden files. Great for those .htaccess files … more on this over at Gina Trapani