Either way you'll loose $. A 390 runs @$250-$320, same with the gtx970. That's anywhere upto $80 or so more than a 480. Then selling those cards in the not-so-distant future, you'll again take a bath, at least $100, so by the time Vega arrives, you'll have wasted at least $180 for nothing. Personally, for 1440p, I'd run with a 1070 or 1080 and have done, either of those cards will easily handle anything at 1440p now and no reason why not later, even when Vega arrives. This'll have a net affect of you upgrading to 1440p on your schedule, not on Vega schedule or waiting more for Vega partner cards, which could very well be a year or more