If you want a qualitative shift in human existence you must create it. The singularity isn't going to save us any more then beneficent aliens will solve my problems by taking me on their ship to the planet of the sex goddesses to live in bliss in their zoo.

I have the feeling that if anything like the 'singularity' happens, it will feel fairly normal to the participants. There are many things today that would seem completely 'sci-fi' to people even a few decades ago. But we're still going to be resource and physics constrained, unless society changes our conscious enough that memes and genes won't still end up in an endless hunt for exponential growth.