Hey folks,
I`m personally an agnostic on the basis of the fact that man does not know everything about the universe and even the human brain and given the development of knowledge during the last 100 years, I don`t think man will anytime soon. But since no one has ever convincingly raised any evidence that there is an afterlife or that there is even a chance consciousness does not depend on a functioning brain (I am thinking brain damage resulting in deep personality changes and effects of alzheimer here), I do not see how one can be very hopeful about a personal afterlife which is, to be frank, all that counts for me. All I am hoping for at the moment is for a nice, comforting illusion at the end of my life, but you cannot even be sure of that (see: The percentage of so-called near-death experiences which is around 20%, may be higher for natural deaths).
So! Physical immortality is what to strive for and I think 99% of us here will agree.
But here is a thing: don`t forget in any and all of these threads, even if you are ardent atheists, that faith can provide a comforting buffer for people and that seeing a higher purpose in life has been proven to be psychologically stablilizing, therefore a good spirituality of any nature WILL prolong your life. For that reason, I never talk people out of their faith unless they use it to hurt me and/or others.