Should I go for two GTX 970s, one GTX 980 or one GTX 970?

[Legolas8181]

I am not sure which card set up to go with, I'd like to play 2015 titles on good graphics while retaining a respectable (60+) FPS and I'd also like to be able to make the card set up last

 

[Mattios]

Google has the answers. http://lmgtfy.com/?q=GTX+970+SLI+vs+one+GTX+980

This thread specifically http://www.tomshardware.co.uk/answers/id-2311721/gtx-980-gtx-970-sli.html

 

[renz496]

what res? at 1080p even a single 970 is plenty.