Regarding the issues some 2013 MBA have dealing with brushes in Photoshop CS6 (mentioned here and here). Given that Photoshop works when running 1280x800, I'm thinking of a ad hoc solution until Mavericks (which seems to solve the issue completely) is available for all. I guess I could do it my self, but after trying for a few hours... I'm thinking of an AppleScript that runs in the background, let's say every 5th second. It checks if (A) Photoshop is running and (B) if the screen resolution is 1440x900. If (A) and (B) are TRUE -> change screen resolution to 1280x800. If (A) is TRUE and (B) is FALSE -> do nothing. If (A) is false and (B) is TRUE -> do nothing. If (A) and (B) are FALSE -> change screen resolution to 1440x900. I've managed to change the screen resolution, but have problems with the "listening for open application"-code. I assume there many of the people here are capable of writing this piece of code. It would surely help a lot of people until there is a more reliable solution.