It starts with "Wait a minute, whose teleprompters are these? I’m not using these." and just gets better from there. Here's how the delegates reacted - by quietly leaving Perry in droves.

From NRO:

"Let's alter another conception," he said. "Just because somebody has never held high public office, some people are spreading the nasty rumor that Herman Cain can't win. Well, let me tell you what, that might be what they think, but the American people have a different idea."

"So when you cast your ballot at this straw poll, send Washington a message: they're ready for a problem solver, not another politician," Cain boomed. "They're ready for solutions, not more speeches."

Full audio at NRO.