As of the third quarter of 2011, the WB-8 device has generated over 500 high power plasma shots.

EMC2 is conducting tests on Wiffle-Ball plasma scaling law on plasma heating and confinement.

http://nextbigfuture.com/2011/11/emc2-inertial-electrostatic-fusion.html

There was also a paper in AIP:http://pop.aip.org/resource/1/phpaen/v18/i11/p112501_s1?track=POPNOV11&bypassSSO=1