EPICS (Exoplanet Imaging Camera and Spectrograph for the E-ELT)

http://www.eso.org/sci/publications/messenger/archive/no.140-jun10/messenger-no140.pdf

This is probably the first real project, which will detect photographically Earth analogs of the closest stars. Around 2017 year.

For comparison, about JWST write about the possibility of detecting planets up to 0.2-0.3 mass of Jupiter.

http://exep.jpl.nasa.gov/presentations/191-04-3-Beichman.pdf

stages of construction