You know when you spontaneously invite people to dinner to try a new restaurant and then end up playing the night away with rock band?  Oh, is that just me?  Haha, but that’s what this night at Rus Uz was!  It was a blast, if unexpected.  I wanted to try a new restaurant, since while I love Fuegos (read my original review), we went on a hot streak for a while and went almost every week for a month.  So I wanted something different.  And two of our friends, M & D live in Ballston, so I asked them for suggestions/if they…