America Elects candidate Michael Bloomberg? (rumors abound - they are working on ballot access as we speak)
Would you cast a vote for someone worse than Romney or Perry simply to "stick it to them?"
Be careful how you phrase things.
Besides, otherwise, the GOP cares not which little league player you put on your fantasy team. They are rightfully confident that they will successfully marginalize any option past two, with "Obama is evil." It works every time.