After I plugged in an external monitor, suddenly my Xcode fonts look really bad. It's like if font's are not antialiased very well. I have a 15" unibody MacBookPro. The monitor resolution is set to 1440 x 900 pixels.
I am very sure font's looked better BEFORE I plugged in that external monitor. At least, suddenly I feel they are bad. Something happened... A restart didn't help.
Is there an setting that affects how text is rendered?