I believe the whole point of changing the BCD is to improve the stiffness of the arm/ring set-up. I am all for someone trying something different how do you think BB30 BB90 came about; those things were laughed at and now have become standard.
I am definitely willing to try these because the brakes are some of the best.
for full disclosure, i am a happy user of eebrakes. love the product and love the man behind the company.
to make the comparison to bb30 is not quite right: bb30 was put out into the wild by cannondale. cannondale has a bit more clout than eecycleworks. this is no disrespect to what craig @ eecycleworks has built.
we ae seeing more and more BCDs pop up, and it is problematic. on the MTB side, each new crank seems to offer one. (e.g., want to run 26/39 rings for a specialized 2x10 crank? that's one BCD. want to run 24/38? that's another.) it's appearing on the road with da90xx, but that has shimano's backing. we know that in time other companies are likely to pop up that will offer after-market chainring alternatives for the big guys.
investing in a new BCD (even if superior) is less certain. if i were making that investment, i would assume that that particular manufacturer is the only one who will ever make compatible rings and factor ring replacement into my cost assumptions. what if supply dries up or the manufacturer decide to raise prices? one cannot assume other companies will jump in to service a small market. it is nice if it happens.