I have 1gb at this point with ZBrush, which imho, is not enough. To be able to sculpt out the 8 million+ poly meshes, one needs to max out their ram (4gb right now)

Good video cards will always help keep your screen refreshed nicely when spinning around those high poly models. Pretty much the same idea behind havind a good card lets you have a better 'view' when you play video games.

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"I want to be what I was when I wanted to be what I am now"