Let's see. Republicans are one of the worst parties mankind has ever produced, Austrian liberals are led by a crazy nutjob, Hash told me too much about Canadian tories for me to vote for them, the British tories gave us 11 years of Thatcher... I guess I'll go with NZ nationals. Since I don't know them, I can reasonably assume they suck less than their counterparts.
Right now, maybe. But in the past they gave the world Robert Muldoon (dangerously incompetent and also rather authoritarian), to say nothing of the extremely right-wing National governments in the 1990s.