I had been evangelizing Blitz at RISD's digital media program and somewhat at Brown, but all the people who would care were pretty insistent that they need to use stuff like Unreal or Torque because those tools are "bigger." What got me is that I would point to all the pieces I created using Blitz, and they would repond "well sure it works for your projects, but my project requires something bigger." And then of course their project never materialized. *shrug*