Take a look at the ATI FireGL cards. ATI used to be taboo for SolidWorks, but they have really spend some time and energy to get back into the fray. They landed their SW certified status, and it is noted on the SW graphics card website.
They also have them priced very competitively it seems. There biggest card is the FireGL X2-256t, which has 256mb of RAM, and ought to provide enough power for almost anybody. Their lowest priced FireGL card is the T2-128, which has 128mb of RAM, and is the one I am currently running. It is plenty good enough for my approx. 250 piece assemblies and their related drawings.
Did I mention that the new ATI FireGL cards are also RealView capable if using SW2004 sp3? I did a review of the one I have and it is posted on our User Group (OKSWUG) website, which is here:
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For more info on ATI FireGL cards, you can go to their website here...
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I know that Wayne Tiffany (a frequent contributor here) has the X2-256t card in his box. Last I knew, he had no real issues, so perhaps he can pop in and add to this.
Hope that opens more doors.
Mr. Pickles