Get the ATI Radeon 9700 Pro it kicks ass agianst Nvidia GF4 Ti 4600.
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At Quakcon Nvidia offered them a GF4 Ti4600 overclocked and nitro cooled and they turned it down in favor of a the ATI Radeon 9700 pro not overclocked or cooled. Athought the Radeon needs an external power source from the PSU[power supplying unit]!!!! So just a thought i want a Quatro 4 950 XGL but the ATI sounds good.