Aaron: First and foremost, I must point out that proofs of God's existence have been around for hundreds, even thousands, of years.
Plato, for one, stated in his Republic that he believed a perfect society could not exist without one or more gods. After him, Descartes, Berkeley, Thomas Aquinas and many, many other learned men were able to prove, time and again, that there is a God.
You: If you recall, Plato only stated that the belief in Gods was necessary so that people could be made to believe certain important lies, he did not say that they had to actually exist. As for the others, I am not familiar enough with their arguments to say they are right or wrong.
Aaron: That is exactly my point. These were important men and great thinkers. Descartes, for one, made incredible advances in mathematics as well as philosophy. Considering their combined intellect and the fact that all of these men reached the same conclusion concerning the existence of God, one must believe that they are most likely correct.