In an interview with Kristen Hampton of wbtv.com she gets to taste the HP56 Death Stain, she reports that this has now been tested at nearly 3 million SHU. During the video you hear Ed saying that this is the one they are submitting.. maybe a hint of a new World Record.
Note: just had an email from Ed to say the HP56 is averaging 2.89 million SHU.
Back in September 2013 Ed sent Ted Barrus (Fire Breathing Idiot) an early HP56 Death Strain pod to review. I think you will be impressed with the effect it has on Ted (Warning this review includes VOMIT.