This is a pretty video good demonstration comparing the effectiveness of the Noise Blanker of two rigs: the Elecraft K3 and the Yaesu FT-1000MP. I had a similar experience comparing the K3 to the Icom 746 Pro, although I never made a video before I sold the 746.
Elecraft K3 Noise Blanker demo at K2XT - YouTube
Elecraft K3 Noise Blanker demo at K2XT - YouTube