My X1 arrived today (technically yesterday, as it's now past midnight)...
Paydate was December 3rd (ordered through minersource)
Income-wise / on the bitcoin side of things [ and only because of the manufacturing / shipping delays ] I was somewhat disappointed that it performs "merely as promised..." so I really can't do much to improve that, though once I got everything configured right I spent some time hacking around and loading flappy bird onto it.
Plays great!
We need a pic

When I said "Plays great" I meant the framerate was smooth, totally not that I'm any good at flappy bird:
