This movie focuses on TListbox but does use TAction and TButton a little. This is mostly an introductory level movie for newbies and runs for about 22 minutes. I had to split the video into two parts due to a 10 minute limit on YouTube. Part 1 and Part 2
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.