There is a time for all good things to come to an end, and the time has come to shut down OpenXmlDeveloper.org.
Screen-casts and blog posts: Content on OpenXmlDeveloper.org will be moving to EricWhite.com.
Forums: We are moving the forums to EricWhite.com and StackOverflow.com. Please do not post in the forums on OpenXmlDeveloper.org. Instead, please post in the forums at EricWhite.com or at StackOverflow.com.
Please see this blog post for more information about my plans moving forward. Cheers, Eric
The Custom UI Editor has been updated so that it now works with the RTM version of Office 2007 AND the beta version of Office 2010. It also incorporates a few usability improvements.
The main highlights of the tool are:
The Custom UI editor can be found, along with a brief article about it, here