Unfortunately all you can say is "It'll be done when it's done."
Either the team doesn't know, or they want to keep it a secret. Patience is a virtue.
About the Evolution mod, run a simple google search or something, find their forums and ask there.
Beta 1.2 has no definite release date, and neither of the Evolution addons are done. For information, check the Miscellaneous section for "EVM and Z Stuff Website" and "ESF Evolution Addon". Those two threads will give you some info.