We have developed the ReportBuilder DADE plug ins for Devart UniDac components.
You can download it freely here: daUniDac.zip
Reportbuilder : http://www.digital-metaphors.com/
UniDAC : http://www.devart.com/unidac/
This code is provided As-Is, but if you have any suggestion, you can contact me (my mail is in the code header)
11 October 2009 : Added a sample application in the package.