NVIDIA Forceware Comparison (61.77 - 66.93 - 67.03 - 67.50) NVIDIA released some new drivers lately on NVIDIA nZone and ofcourse the latest official 66.93 WHQL drivers. The drivers have new features, performance improvements and ofcourse several bugfixes for games and more. Also a good brief description of known issues associated with the official released drivers is included to inform the users about bugs that could appear with different configurations in certain applications.