in Delphi IDE :: 
Take a look at the screen shots of Delphi code using various hand-picked programming fonts...
Take a look at the screen shots of Delphi code using various hand-picked programming fonts...
Read the full article and decide whether to change the default Delphi IDE font: Font Selection Preview for Delphi / Pascal Programming Code
Related:
After looking at all the ones you have listed, I still prefer the Dina programming font from DonationCoder.com.
It’s very clear and easy to read, even at small sizes, and it fits the most code on your screen while still being quite comfortably readable.