The most authentic Indonesian restaurant my wife and I have been to in North America (the other 3 being in NYC, Berkeley, and Philadelphia). Actually the one in Philly was pretty authentic, but wasn't nearly as good.
We had a tempeh dish with a sambal that pretty much matched what my wife's family makes. The otak-otak was also a highlight. I had never had it before, but thought it was delicious (wife concurred).
Overall no complaints. Definiteily recommend if you're wanting Indonesian food.