I'm registered as unaffiliated, but I lean to the right and have always voted Republican or unaffiliated. I would register Republican but Neo Cons really grind my gears. They are just as bad as Democrats honestly. They favor increased government.
But that's the same reason I vote R. Most of the small government, follow the constitution, libertarian, anti-establishment type of people are registered R. Honestly Ted Cruz would have been my perfect candidate if not for his need to constantly bring up religion and his inability to go toe to toe with the Donald. And let's face it he is creepy.
Bottom line, I vote small government and anti establishment. I just want to be left alone.