For development purposes, it has to be a .com
For investment purposes, it ties in with the above.
I just don't see any value in these new, or 'weird' extensions.
For either development or investment.
The rare ones you do see sold, those are the exception to the rule.
Like that one guy, Bruce Marler, who develops 'UsState.me' names - that's iffy. I wouldn't buy them, much less develop them. And as a consumer, if I see my local state or city.me, I wouldn't look too highly of the site.
If it's working for him, great - but he's going against the grain, and making himself unnecessary resistance.