There are more conservatives in the Republican Party than moderates. If there is going to be a third party, the Tea Party Republicans will not start it. The kiss Democrat Ass Republican Elites would be the party of the break away no balls Republican moderates.
Wish you were right...but that is just not true. The majority of the GOP are squishy middle of the road, put their finger into the air types. If I had to put a percentage of actual conservatives (not just during election time) in the GOP, it would be less than 20%. That may seem low to you but I really think that you are going by what they say instead of what they do and how they vote when it counts.
Now when that percentage get to say 40% or more, things will start to change but not before. When that magic number is reached (and it may require a larger percentage), the change will be dramatic!
Oh, and just listen to the reaction from the GOP when DeMint gives them hell. Just shows that the majority are not behind him...