It seems more the case that they finally put in the effort to optimize the source engine for the PS3 , whether this was helped by ex ND employees is debatable , if my recollection is correct they weren't hired 2010 but 3 years earlier just that their employment was noted in 2010 they where at ND Pre-uncharted , Why the turn around? just look at the PS3's position then and now coupled with MS's online policy's and Sony being amicable to a Steam/ PSN mix.
Research shows Video games help make you smarter, so why am I an idiot







