when i activate your colorbox node, my ckeditor does not load anymore
https://drupal.org/project/ckeditor

Comments

Project:Colorbox Node» CKEditor - WYSIWYG HTML editor
Version:7.x-3.x-dev» 7.x-1.x-dev

I use the built in AJAX, this belongs in the CKeditor issue queue as I am almost positive its a javascript issue.