As a test I decided to create a simple "Hello world" app in Delphi using Delphi 4, 5, 6, 7, 2005, 2010 and XE3. The app is nothing more than a TForm, a TButton with an OnClick event that calls ShowMessage('Hello world').
Below are the results of each final EXE with debugging turned off:
Can someone explain why the XE3 version is 26 times larger than the average of the previous versions of Delphi?
Here are my project settings for XE3: