techPowerUp have snagged the latest ATI Theater 550 PRO Drivers for All TV Tuner products based on Theater? 550 PRO, including those from the following manufacturers:

GeCube Gigabyte MSI Sapphire Tul Yuan

ATI Theater 550 PRO v6.14.10.102 WHQL for Windows 2K/XP/2003

ATI Theater 550 PRO v6.14.10.133 WHQL for Windows 2K/XP/2003/64-bit