We were a party of four sanseis (third generation Japanese Americans) from Southern California looking for some simple and authentic Japanese food away from the casinos.  We were ALL very impressed and will definitely return!  Some highlights:  a Happy Hour pitcher of beer (Sapporo or Kirin) is only $6;  their California roll is made with real crab (not imitation); both their ramen and tempura soba were exceptional (the owner told us they make their dashi the traditional way -- with dashi konbu and NO MSG!).  The chicken katsu and curry dishes were very good, too, and was served with a salad with a remarkably refreshing and tasty dressing!  Only a 15-min drive from the strip, Miko's Izakaya was a great find!