Hi guys!I need your opinion!I have bought intel i7 4770k proccesor CPU,16 GB Corsair DDR3 RAM,hibryd drive SSHD Seagate 1 TB,mother board gigabite ultra durable 4.But when it comes to graphic card i don't know what to do.My doubts are ASUS R9 290 4 GD 5 or ASUS Nvidia GTX 780 3GB.Please tell me your opinions!