Well, there is absolutely 0 information regarding release date.. it might be 2 years away it might be 2 months!
We know that it has been on the works for well over 2 years with a staff of 40+ people... they woulnt release it to the public now if they didnt think it would be out with a prebuild...
I dont think so, I think the game will be payed (15-20) but i believe they said that if server owners chose to have in-game currency they will be able to