My bet, and my hope, is a $50 base cost with a free month included, and $15/month on top of that after your first month. I've yet to see an MMO that was Free-to-Play, or Buy-to-Play not suck tremendously, and I am a firm believer in "you get what you pay for". I want this game to last for years for me, like DAoC and WoW did... and those games, I paid for and do not regret a cent.