Japanese food in NY

I had chance to go to Izakaya and Ramen shop these days.
Izakaya: http://en.wikipedia.org/wiki/Izakaya
They are more expensive than in Japan but the atmosphere and menu were like Japanese one.
It was interesting to see how much those places were popular.
I needed to wait for a while to get a seat even it was on weekday.
Hagi: http://www.yelp.com/biz/sake-bar-hagi-new-york
Setagaya: http://www.yelp.com/biz/ramen-setagaya-new-york