Which card should i go for

[thegingerninja]

Im looking for a card around £100. Ive been looking in to the 7790 series of cards and was wondering which company makes this card the best and is it worth getting the 2gb version ?

Asus
http://www.amazon.co.uk/ASUS-7790-Direct-Graphics-Card/dp/B00C6334AC/ref=sr_1_5?ie=UTF8&qid=1379171780&sr=8-5&keywords=hd7790

Sapphire http://www.amazon.co.uk/Sapphire-Graphics-Express-Display-Technology/dp/B00BP5VCPQ/ref=pd_cp_computers_1

Msi
http://www.amazon.co.uk/MSI-HD7790-DDR5-PCI-E-Graphics/dp/B00DURD12Y/ref=pd_cp_computers_2

 

[thegingerninja]

Or should i go for a nividia card. Ill need all the help i can get as i know nothing about nividia cards thanks