Logically the republican party has far better ideals.
Well they don't cheat to get ahead, for starters. Although I disagree with the religious aspect which influences many decisions such as abortion and gay marriage, they're more willing to listen to different opinions and come to the most logical overall conclusion instead of mindlessly force everyone to believe what they do like people on the left.
Conservatives are more stable people
The more sound party is Republicans. They uphold time-tested values that caused our country to thrive and succeed. They value responsibility, accountability and ambition. They represent the American Dream.
I can't vote for Democrats because of their views against religious freedom and against free speech. The idea that they force religious vendors to violate their faith and moral conscience at government gunpoint is unconsciousable to me and totally against what the Founding Fathers envisioned. Freedom OF religion, not freedom from it.
Whatever negatives you may say of the Democrats, you may say of the Republicans as well. Everybody is equally terrible. It really isn't a question of which party has less idiots (because they both have many), it is only about policy. I just prefer Democratic policies.
You can choose this based on style, or principle. Democrats vs republicans. Republicans want to take away, or make more expensive, your health care. Democrats' entire existence is about helping you get health care and/or making it cheaper. Republicans are about making rich people richer, while democrats are about helping regular people, you and I, keep more of our tax dollars, for example. Republicans talk about tax cuts, but what that means is tax cuts for the rich, not you and me. Also democrats are about fiscal responsibility. Republicans want to spend tons of money on the military to murder people. Democrats are against that. We want to spend money here at home, to help provide healthcare and other things.