Cryptic hasn't had a ship/store sale in 6 months. I don't think they're doing broad sales any more. I think they just put Zen on sale now - as they've figured out that too many players are buying things from the C-Store with "free" Zen now.
STO is about my Liberated Borg Federation Captain with his Breen 1st Officer, Jem'Hadar Tactical Officer, Liberated Borg Engineering Officer, Android Ops Officer, Photonic Science Officer, Gorn Science Officer, and Reman Medical Officer jumping into their Jem'Hadar Carrier and flying off to do missions for the new Romulan Empire. But for some players allowing a T5 Connie to be used breaks the canon in the game.