Well it's still far off, but promising new research might just be that breakthrough that millions of people have been hoping for.
Although after those Korean stem cell researchers promised us a breakthrough and subsequently revealed this as a hoax / untrue, I'm a little hesitant to believe any major breakthroughs in general.
http://news.bbc.co.uk/2/hi/health/4696496.stm
http://www.sltrib.com/business/ci_3482712