Based solely on the quality of the food and my desire to want to go back for a normal dinner night, I'd probably wind up at around three stars for RA.
HOWEVER, I must then factor in their amazing happy hour (Mon-Sat 3-7pm, unheard of!), which includes a huge list of sushi dishes and appetizers for about $3-7, plus some amazing deals on sake and beer. Add to that the friendly patience of our servers while our enormous group kept ordering and drinking, then drinking and ordering some more, and the total shock at how low the check was at the end of a couple of hours of fun, and I can't help but upgrade to four stars.
It's rare that you go out with a big group, drink and eat to your heart's content, and then are surprised at how little you end up paying. So for that, I salute you RA!