Inching ahead in milliseconds doesn't sound like much but when attempting to contain temperatures in the millions of degrees every fraction of time counts. p
Perhaps MIT and the Skunkworks have a legit competitor from the private sector.
https://youtu.be/tm6hpqFtxEk
"In a suburban industrial park south of Los Angeles, researchers have taken a significant step toward mastering nuclear fusion-a process that could provide abundant, cheap, and clean energy. A privately funded company called Tri Alpha Energy has built a machine that forms a ball of superheated gas-at about 10 million degrees Celsius-and holds it steady for 5 milliseconds without decaying away."
http://news.sciencemag.org/physics/2015/08/secretive-fusion-company-makes-reactor-breakthrough