EVG GeForce GTX 980Ti Superclocked>Core Clock: 1102MHz, Boost Clock: 1190MHz/memory:7010MHz 3yr warranty-£530 FC Block>+£85=£615
EVGA GeForce GTX 980Ti Superclocked "Reference Design">Core Clock: 1102MHz, Boost Clock: 1190MHz/memory:7010MHz 3yr warranty-£570+FC Block>-£85=£655
Asus GeForce GTX 980Ti Poseidon>Core Clock: 1114MHz, Boost Clock: 1203MHz, Memory:7010MHz 3yr warranty=£620
Yes it would be nice to have a choice of say blue, plain black, yellow, they could actually give you a transfer sticker of diffirent colours to go over the red.
The Poseidon is slightly faster with my 4930K:4.4 the GPU temps vary with the game, room ambient of 22'c> Dirt hits 54'c Ultra settings custom loop.
Ebay sells sticky backed vinyl A4 size from 0.99p to £2.99 chrome effect, 3d carbon fibre, matt to name a few with a range of volours, so it would be quite easy to match your colour scheme.