Oh, I don’t know. If islam does not drag us back into the Stone Age or some other (most likely self-inflicted) calamity does not shut down the progress of our (Western) culture, in a few hundred years I bet we crack the “warp drive” problem. There actually is some serious science laying the groundwork now. The energy requirements are WAY beyond anything we can generate, but eventually we’ll get out there.
Alternatives include hibernation and automated exploration.
Bottom line: The human race just may make it to these exo-planets. Of course, if humans do, it will be well after we personally are all gone and dust...
Shucks, we don’t even know if Efram Cochran has been born yet! Tapping the zero point field may be just in this decade.