I dunno, the N'Ex is pretty effortless. My hotel is in Shinjuku. I get there in roughly an hour, hour 15 minutes. And, I can do that with a $7,000 'I' class fare, upgraded to First Class with an EVIP (versus the $12K for a fully flexible J seat.)

I dunno...the chopper ride isn't worth $5K to me. That is one expensive helicopter ride.

You save about 30 minutes, still have to take surface transport to/from Akasaka (a limo, granted) -- and with the typically gusty winds near NRT -- it has got to be one heckuva ride!!!