I've been waiting for news about the Asus G551 since Computex but haven't heard a peep. I was wondering if you might be able to ask Asus for an update and if possible get a review sample? I've been saving for a new laptop and this looks promising, however I'd really like to see your thoughts on it before buying one.
here's a Computex article about G551 and GX500,
http://www.notebookcheck.com/Gaming-Notebooks-Asus-ROG-GX500-und-G551-mit-15-6-Zoll-und-3840-x-2160-Pixeln.118179.0.html
and here's a long running thread on notebookreview discussing it,
http://forum.notebookreview.com/asus-gaming-notebook-forum/754260-asus-rog-g551.html