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>I'm looking to update my PC and I have a question. [...]
>
>
>My question is will I need a bigger power supply? [...]


If this were my system, I'd go ahead and upgrade the power supply 
too. This might be helpful:

http://www.anandtech.com/showdoc.html?i=1841

kj

-- 
--
Kim Justice
http://www.mp3.com/kimjustice
"If you don't like this world, change yourself first! If you don't 
like that idea, close your eyes and ears and live in solitude!"
-- Motoko Kusanagi