WakeAndVape
VapeLife X
I've only tried the lily of those on your list...I'd be interested in brief comparison reviews to the Lily, Vaporgenie, Hammer, Lotus, and any other on-demand convection units, if any of the testers have tried those units, since they are on-demand flame powered convection units that would compete with the Sticky Bricks Jr.
So the lily is harder to combust than the brick because of the three carb holes.
The lily holds less.
The brick Jr produces bigger hits faster and they don't suffer the same harshness that the lily's do (if that bothers you)
The lily is easier to hook up to water (with the beta at least)
Both are well designed and easy to take on the go...the brick Jr having the slight edge with it being a completely enclosed stem system when stored.
But I'm sure the differences will change slightly with the finalized version.
Also the brick Jr has more of a brick vape signature than the lily, which can be throat drying without hydration.