SC, I too voted for Perot in '92. For pretty much the same reasons you did.
BTW, I also voted for Roger McBride (the Libertarian) in the Ford-Carter race in 1976.
Since I became old enough to vote in 1968, no Republican has ever been elected President without my vote.
If this was four years from now and Iraq (and possibly Afganistan) were more stable, I might just join you. However, with the nation still in the early, crucial stages of World War IV against Islamist totalitarianism, I simply do not feel we can afford to take the risk of a President Obama this time around.
We are also likely to see two Supreme Court Justices retire in the next four years. Who would you rather see appoint their replacements? Someone who holds out Ruth Bader Ginzburg (!!!) as an ideal justice? Those are desisions that could possibly affect the nation beyond our lifetimes.
McCain nees the support of most conservatives to win. But he can't win only with conservatives. He needs support of moderates and independents as well. He's bucking a headwind - this is no 1980.
All I ask is that you continue to think about it as the campaign rolls on. Best regards as always.
MWL