so i currently have a 780ti and game at 1440p and i have the opertunity to get another 780ti for 300 or less. the question i have is is it worth upgrading to sli or should i wait a year and get a differnent graphics card.
my current specs
fx-8150 oced to 4.5
250gb ssd
evga acx 780ti
1tb black...