VR Zone writes the upcoming ATI Radeon X2800 XTX (R600XTX) graphics card will be huge. It will be 34cm long:
To be exact, it is 34cm long with the fan/blower and handle at the back. The only difference we can spot is the power connectors where it has dual 6-pin instead of one 8-pin + one 6-pin. The cooler plastic encase is black in color.