As of today, SharpDevelop Reports (SDR) is once again an integral part of SharpDevelop!
It will be shipped with SharpDevelop 3.2 (~spring 2010), but it is already available on the build server as part of the SharpDevelop integration builds. Please note that the standalone designer build is no longer available on the build server.
Sample reports can be found in the source download of SharpDevelop in the folder Samples\SharpDevelopReports.
Upcoming changes before the CTP of SharpDevelop 3.2: iTextSharp will be updated to version 5.0, and we no longer include the source code for it in the repository (only as a zip in the vendor directory, which is not part of the source download).
Next tasks: more samples, more documentation, bug fixing.