Good news for gamers hungry, Diamond Viper HD 2900XT has been available for quite some time. The company claimed that The HD 2900XT is the world fastest graphic card ever made. It comes with 512-bit GDDR4 memory interface, 743 MHz core clock, 1GB of memory at 1100 MHz speed, and dual link DVI + HDTV-out that support HDMI. Other feature include 24x custom filter anti-aliasing, native PCI express x16 interface and high dynamic range rendering.
Designed for Windows Vista with DirectX 10 support, the Diamond Viper ATI Radeon HD2900XT does have HDTV support, HD video playback, and built-in HDMI with multi-channel 5.1 surround audio. [product page]