Worried about possible bottle necking.

Griffsbrown

Honorable
May 10, 2013
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So here is my build:
http://pcpartpicker.com/user/Griffsbrown/saved/1XEl

So I was told by a very helpful lad in another thread this would be a good graphics card to get:
http://us.ncix.com/products/?usaffiliateid=1000031504&s...

Now my only concern is that I might get bottle necking. Is there anyone that could tell me what might happen if I get this graphics card as far as bottle necking goes?

EDIT: Also what kind of improvement might I see after upgrading to this card?