I have now been here 3 times for lunch. It is a little out of the way from my office but today I have now affirmed it was worth the trip. I usually have the Bento Box with Chicken, Fried Rice and Vegetables (it also comes with a little salad). I wasn't sure how many stars to rate this place as I needed a benchmark. I tried a more nearby competitor of theirs (Rice Trax) which got good reviews the other day and I can say now that Volcano Grille has them whooped and is at least a "star" better.
I also would like to comment on the two guys that are in there each time I go - and that is they are very polite and friendly.
As far as the inside goes, it's nice. I have dined in each time and it's nice and comfy and quiet in there. The only suggestion I would have is to conceal the storage under their drink machine with a curtain or something.
Overall, I have enjoyed the lunches and the atmosphere and it will be a regular place for me at least once a week.