Soem interesting theories and information from a high traffic pilots forum where most posters are professional aviators. http://www.pprune.org/rumours-news/535538-malaysian-airlines-mh370-contact-lost-155.html
The scale of the search for Flight MH370
http://www.washingtonpost.com/wp-srv/special/world/malaysian-air-scale/
Here's am intelligent post" If the routing IGARI-VAMPI-GIVAL-IGREX is indeed correct, we're looking at a routing that is NOT following any high altitude airways. At 450kts GSP, this routing would have taken 1.5h, this another 2.5h short of when the pings ended. And at FL295...? This is looking more and more like a deliberate action to me. "
For those following, the plane slipped through a few corridors of radar in the middle of the night.
I must admit, this put's David Copperfield to shame.