Which setup would be a better choice?
#1
Choosing between the following, which would be the better choice:

2 nVidia reference design GTX 970s from Best Buy, bought on sale(when it happens again), $700 shipped
link to cards

or

1 EVGA GeForce GTX 980 Ti 06G-P4-4992-KR 6GB SC GAMING from Newegg, $659.99 shipped(it appears to be a reference design, though I don't know if the quality is as good as the ones from best buy)
link to card


Getting the TI would be a big investment up front for me, while I could get just one GTX 970 now and get the second down the line.

Thank you for any help.
#2
Both cards are fine. Lookup performance reports here on forum and decide by numbers.