An AMD 7970 requires at least 500watts+ whereas theGeForce GTX 680 requires 550watts+
so any PSU of 600watts would run either of them.
as such it wold be best to find a GPU then ask for a recommended PSU if you're unsure
PSU's are relatively cheap anyways, and i'd recommend Corsair for a decent Power Supply Unit.
heres a link to Dells XPS page:
this model comes with an i7 and a choice of either AMD 7770 or GT 640.
this PC, with the 7770, should run games reasonably well at med/high settings.
whats more, both AMD 7770 and 7970 require a minimum of 500watts so switching the GPU's at a later date should be somewhat straightforward.
a benchmark of the 7770 on Crysis 2 with hi-res textures.
High Resolution Texture Pack
Ultra Quality settings
Full overveiw here:
this card is no slouch.
thus far i've tried to stay close to the original amount given. but if you're interested;
its worth playing around with the selections of this alienware.
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TreKKiker wishes they had posted this first.
So.. I'm going to have to save up $1,300. lol
But thanks for everyone's help. Right now, I think I found what I want.
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