I picked up a Samsung Series 9 NP900X3A-A03US today. I let my wife hold it and nearly didn't get it back. It would have been fun to have this at Tech Ed USA 2011 last week to show off. It only weighs about 2.3 pounds.
I'm currently creating the factory disk set and will report my thoughts about the machine very soon. When folded this machine feels like a weapon. Impressive design. But it's time to begin some tests to see if it's a keeper or not.