Have you changed your default colors in Delphi? If not you probably should. With adjusting the colors you can gain greater insight into your code, you can reduce the strain on your eyes and you can make Delphi look just plain cooler. This video is four and a half minutes long and you can watch it on YouTube.
This book will make you a faster Delphi developer, it doesn't matter if you are just starting out, or have been using Delphi since version 1, you will find all sorts of tips, tricks and hacks to boost your productivity.