Today a final version of LinuxMCE-VDR integration was officially announced. Main achievement of that release is possibility to watch different channels on the different media directors (before it was possible to watch one channel to all MDs). Additionally the stability of VDR and support of remote controls (especially MCE remote) were improved.
Pre-compiled binaries for 32- and 64-bit are available here. Inside archive you can find README file explained the process of installation of packages.
UPDATED: According to information from the LinuxMCE forum developers cleaned VDR sources. So, now original VDR source can be used to build its plug-ins.