When the consumer cards first started posting fill rate numbers higher than the professional boards, it was mostly a lie. They got impressive numbers at 640x480 in 16 bit color, without blending, depth buffering, and filtering, but if you turned on 32 bit, depth, blend, trilinear, and ran at high res, they could fall to 1/4 or less of the quoted value.

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We bought three generations of intergraph/intense3D products, but the last generation (initial wildcat) was a mistake. We use nvidia boards for both professional work and gaming now. I still think the professional boards are a bit more stable, but they fell behind in other features, especially fill rate. Being an order of magnitude cheaper doesn't directly factor into our decisions, but it would for most people.