Get the $380 BenQ and buy a better graphics card than a 960. That's just my personal preference, personally while I think those higher res monitors are great, I don't think it's necessary to achieve fantastic visuals. Maybe my eyes suck, but games look good enough to me on 1080p maxed out, plus I feel if you get a 960 it wont be long before you're struggling to run games at 2560x1440 on max settings. Where as on the other hand, a better graphics card, like at least a 970 4gb, will have you running games on good settings at 1080p for a lot longer.
Of course this is all my own opinion, I am sure others will differ.