Well there are a lot of trackers dedicated to these
You could check Framestores home site (BeyondHD) to know if they encode a release or not http://torrentinvites.org/f36/beyond...review-115720/
This guy does( http://extratorrent.cc/profile/vonRicht/ )the Grym encodes, you can find all his encodes there in his profile, don't know if he is settled in any private places.
HDArea does 1080p encodes with master audio it is open at the time of writing http://torrentinvites.org/f36/hdarea...94/#post558639
HD4FANS with beAst encodes also does 1080p x264 with HD-MA http://torrentinvites.org/f36/hd4fan...review-123521/
HDtime does its 10bit 1080p encodes with HD-MA/Atoms audios http://torrentinvites.org/f36/hdtime...review-117269/
HDChina does them as well http://torrentinvites.org/f36/hdchin...review-139912/