No wonder it only took 38 minutes, I forgot to check the resolution. It was set at 3200x2400, not 5600x4200. That's 28"x21" at 200 dpi, enough room for a title at the bottom of a 32x24 poster. Uhm...Houston, we have a problem. Screen renders don't go up that high. What do I do? Try to find someone with a computer they aren't using and run Lightning?