Which card to get

[Blindeagle]

So i am gaming at 1080p and my specs are
MSI z87-g45 motherboard
corsair 750w modular 80+ bronze psu
intel i5 4670k

I got £350 to spend on a gpu. So far i been told to get one of these
http://www.overclockers.co.uk/showproduct.php?prodid=GX-293-AS&groupid=701&catid=56&subcat=938
http://www.overclockers.co.uk/showproduct.php?prodid=GX-181-MS&groupid=701&catid=56&subcat=938
http://www.overclockers.co.uk/showproduct.php?prodid=GX-324-SP&groupid=701&catid=56&subcat=1842

Now i am not sure which one or is there anything else better. i really would love it is well like to be good for the future so down the line i dont have to update untill like 2.3 years later

 

[Darknecron]

The R9 280X would be the best choice. That 7970 Lightning is retardedly overpriced.