I've done a dumbed down version of this on an IPA (0.5oz hops added every 5 minutes for the last 35 minutes of the boil).
It's kind of a pain in the butt, to be honest. You've got to pretty much stand there the whole time throwing in hops. My IPA is good, but I can't say that it wouldn't taste the same if I just added hops at 30 min, 15 min, and 0 min. I'm going to brew it again soon and I am just going to do a more normal hopping schedule and save myself the headache.
Now, if you are talking about building some kind of continuous hopping machine, then that sounds like a fun little project, but continuous hopping is really just a gimmick in my opinion.... most of DFH's beers are gimmicks....