Looking thru the Ruby Weekly newsletter https://rubyweekly.com/ there was these:
Top five reasons for Rubyist to use Crystal
and then the Rustacean foray for mindshare Rust for Rubyists:
The article which really spiked my interest in Nim (coming from Ruby) is from July 2017 below:
Nim for the discerning Rubyist
It would be really nice to have more of these articles to show Rubyist how to use Nim to their advantage.
It would also be really nice to have a Nim Weekly newsletter too.
I have some things I could possibly contribute. Something to work toward.
This seems like too short period to get enough relevant/interesting stuff, but (once v1.0 is out) "Nim Monthly" might be a good idea!