[youtube http://www.youtube.com/watch?v=nhv0kJjCOtU?rel=0&hd=1&w=560&h=340] People at this week's E3 show were upbeat: There's hiring going on in the video game space, and a feeling the business is getting back on track after the recession. Meanwhile, employers may add a moderate amount of jobs during the summer, and Boston companies need Ruby on Rails developers. For last week's update, click here.