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Gleise 581d Here We Come!

There is a little problem of gravity--it looks to be 50% more than earth normal.

But, ladies and gentlemen, start your terraformers:

AGI News: The first planet almost inhabitable with liquid water has been discovered 20 light years from Earth and astronomers believe it is almost as inhabitable as earth. The planet is called Gliese 581d and orbits around a red dwarf star.

Gliese appears to be a lucky planet situated on the edge of the so-called 'Goldilocks zone' or Green Belt of space where conditions favour the presence of life.... [T]his planet has a mass six times that of Earth and is double its size...