It's a shame these are clearly so far away, as the concept really is mind-blowing. My only concerns are as follows:
1) At 4 inches dead, this is going to be even shorter than the SC600. The bezel is listed as significantly wider (obviously given the 3x18650 format), but at that length the reflector must surely be shallower as well. I'm just wondering what the beam profile is going to be like.
2) The Q50 and SC600 both step down after the first few minutes, and I imagine the same will be true of the S6330. So how long will we get 2400 lumens for, and what will we be left with after 5-10 minutes? Given the size of this thing, one has to wonder what kind of a step-down we'll see.
Still, this is a unbelievable idea. I mean, if they pull it off, ZL will be making a light that is brighter than the TK70, but only 4x2.25 inches in size (never mind the flood version). Obviously it's going to be a wall of light vs the TK70's flood-throw combo, but still...
You have to wonder how much money ZL could make if they decided to make a third version with a deeper reflector on it. With a larger potential cooling area it could run at max for longer, and would obviously have much better throw. I think they could tempt a lot more people with something like that.