Why is this important to you?
As for your questions, I'd say that my core beliefs (anarchism, atheism, etc.) have not changed much this year, or even over the last 5 years, but before that, yes. I was your basic conservative/libertarian. I'd always been pro-market, but had no idea about the true nature of statism (i.e., gangsterism). It's been a pretty rough road, emotionally, considering I am stuck working as a lawyer, and know quite clearly that my entire profession is an economic and moral cancer.
I am always looking for contrary arguments. I'd be thrilled if I came across one. The anti-Obama fervor has reignited some fundamental discussions around the Web on market freedom, but I have not seen anything truly new on that front in years.
My core beliefs make my daily life almost intolerable. It would be far easier to change them than it would be to change the mountain of law school debt I live under, or sweep away the enormous web of statist restrictions that clog up the economy, ruin our urban design, keep us poor and take our opportunities. If I could make the daily crisis I experience of having to work to pay off debt as a lawyer, which I despise, I would. In other words, I have every economic and personal incentive imaginable to change my beliefs, but I couldn't do that, because they're not actually "beliefs." They are truth. It would be like trying to unlearn the germ theory of disease. I can't pretend I don't understand basic microbiology, and thus make it easier to go about my day pretending disease is caused by spontaneous generation, or something.
“I do not ask that you place hands upon the tyrant to topple him over,
but simply that you support him no longer; then you will behold him,
like a great Colossus whose pedestal has been pulled away, fall of his
own weight and break into pieces.”
-- Étienne de la Boétie