Thing is, I am trying to level, and am almost to 47 - a Flashpoint amount of experience will get me there, and unfortunately there aren't enough people on Voss (at least on the Ebon Hawk server) that are doing Heroics, so I end up having to skip those, which annoys me because I love finishing what I start, and especially finishing every quest on a planet. Truth is, I haven't done many Heroics since Tatooine. There simply aren't enough people doing them. So again: which one is shorter?
And BTW, I don't consider post-50 "the real game." To me, the game is
the story. But everyone's playstyle is different, so whatever.