Looking for a GPU to upgrade to from my aging Crossfired HD 4890s

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Guest

Guest
I have completely overhauled everything in my system with all new components except my 2 aging HD 4890s in crossfire.

What would be the best single gpu (not being the GTX Titan, GTX 690, or HD 7990), in terms of raw performance and cooling that I could upgrade to?
Money being no object.

Moreover, would it be a gpu that I could potentially configure with an identical second one for SLI or CF 3 or so years after getting the first one?

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My current setup.
AMD FX-8350 CPU (Stock frequency)
Asus Crosshair V 990FX forumla-z MOBO
G. Skill 32 GB 2400mhz Trident X RAM (2133mhz at the moment)
(x2) AMD HD 4890 GPU (Reference cooled)
Asus Xonar DX sound card
Mushkin 120gb Chronos SSD (Boot drive)
1TB WD Velociraptor HDD (Games drive)
1TB WD Green HDD (Near line media drive)
Seasonic 1000w Platinum PSU
Phanteks PH-TC14PE-BK CPU heatsink
Corsair Link Cooling system
Corsair 800D Case (filled with AF 120 & 140 fans)
Dell Ultrasharp U2410 Monitor
 
Aside from the GTX Titan, the best single gpu cards currently available are the GTX 680 and the HD 7970. They trade positions depending on the game and resolution, so there isn't really a clear winner. Both can have a second one added, but 3 years from now, there could easily be a card cheaper than a second identical card that outperforms two of either of them.
 
G

Guest

Guest
Yeah, I'm aware of the HD 7970 and GTX 680 being the tops cards.

My apologies for not addressing the question more specifically.

What specific brand, model, and architecture (amd/nvidia) would the community recommend as an upgrade?

hope that helps.