It is true, and you will have to do a series of missions to get her. Its from the latest update from Stahl. You have to read it. Also there will be a new Klingon ship as well. So I will do both missions for the ships. Since I have a KDF I love playing as well. They will release the stats very soon in an update. Read the article!
I didn't grow up with the Enterprise-C, I have no nostalgia for this obsolete design. Unless they take a radical departure from existing Federation cruiser designs, there is no way that this can possibly compete with a KDF battlecruiser or flight deck cruiser from a performance standpoint.