Re: Not a *buntu fan, but more power to 'em!
"We thought about using an rpm base, but NHSdora didn't sound as good as NHSbuntu."
Personally I'd have gone for Debian with an intent to move to Devuan or a BSD and a neutral name. The name ties you to a parent.
BTW, did you consider a Raspberry Pi edition? Just the thing for thin clients.