I like the idea. Privacy + ethereum could definitely bring about some hype.
The team seems pretty honest, and at least from what I can tell, they're not trying to hype up their coin intentionally.
However, I think it'll be hard for them to gain momentum because of the lack of exchanges. It's only traded on forkdelta right now, and there are no major exchanges apart from that. Also, there is pretty much no marketing done. Personally I'd say that 100 fold gains is impossible, considering that we're still technically in an overall bear crypto market, and also that with the vast amount of privacy coins out there, it's hard to differentiate your coin.
I like that devs do not hype the project right now, more time for us to load up with ETHM...