It wasn’t just the Establishment that shunned Hunter, he got no traction at all. But you’re right, he was a true conservative option (besides the wackadoodle Keyes).
Duncan D (his son) might be a very strong VP pick for someone:
http://en.wikipedia.org/wiki/Duncan_D._Hunter
And a trip down memory lane to what might have been, for those unfamiliar with who, is being referred to:
http://en.wikipedia.org/wiki/Duncan_hunter