You may remember Diamond Multimedia as the graphics company that sold you your first 3DFX product.  The brand itself was purchased wholesale by a company called Best Data, who have produce many different products under the Diamond name.  [H]ard|OCP reivews their Viper X1600 Pro 512MB, not the fastest ATI chipset, but at ~$129.99, it does pretty good.
“Diamond Multimedia is back with a strong lineup of ATI RADEON GPU based video cards. We’ll see how the new Diamond Viper X1600 PRO with 512 MB of DDR2 compares to the competition in real-world gameplay evaluation.”

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