The Zeus for Windows IDE, Version 3.96o is now out:

  http://www.zeusedit.com/download.html

Zeus does D language syntax highlighting and code folding and can be configure to for Phobos/Tango code completion:

  http://www.zeusedit.com/forum/viewtopic.php?t=1164

Here is the Zeus feature list:

  http://www.zeusedit.com/features.html

NOTE: Zeus is shareware with a 45 fully functional trial period.

Jussi Jumppanen
Author: Zeus for Windows IDE