Still havent gotten my replacement axle for my Greyhound hub. I live in Louisiana, they're in Germany. Its been 4 weeks since they said they would ship one to me. I know it doesn't take 4 weeks to ship overseas. Any suggestion on what I should do? I emailed them today asked whats up with the wait. Also I think my cone nuts are ruined. Threads on them are just really messed up. Would regular cone nuts work with the axle?

I can't comment on other products, but I do know that if I was making bike parts etc for customers etc.
That I doubt I would ever attempt to put out a freecoaster, even if it just meant printing a company name on a factory generic stock one. As the chances of problems arising is too high, and if you couple this with the fact they are usually outsourced to manufactured, you then also loose a vital oversight.

If we are completely honest, no one apart from nankai has built up a reputation in the coaster market, and I believe it's because of the issues listed.

Yes other companies plan to release something's always, but it only takes one batch or production run with an issue to tarnish a brands reputation.

I would love to see a gsport coaster but doubt it will ever happen, given the complexity of the task.
So where does this leave the coaster market? Not in a great place TBH ..... So the real question should be how can we design a new coaster that doesn't suffer such intense pressure? Well no ones made much of a sollution and has focused most efforts for the coaster to sit in the hub. Yet we haven't looked at the BB or chain or sprocket. Both areas in which the coaster could be integrated, but not necessarily better.

Again, coaster are a cool toy ..... But by no means a cool design given the variables needed to produce such in such a limeted market and price band.