If you guys still haven't released Dextre you might want to consider updating it -- the ORU temporary platform was replaced a few years ago, to the 'enhanced' version (EOTP) .
You can see it on the left in the first photo on this page...
CSA - Dextre: Latest News
All of the photos in here are really cool, these models are way better than any other ISS models I've seen.