Hi Gerbrand, You can join the Fabric list here: https://groups.google.com/forum/#!forum/fabricengine
Directly related to your VR questions this blog post and video samples should interest you a lot: http://fabricengine.com/the-challenges-of-authoring-content-for-vr/ You'll probably want to watch the tutorial videos that we've recently created (and are continuing to create) here too: https://groups.google.com/forum/#!topic/fabricengine/FCJMFbVGha8 Best, Eric T.