Yep I did actually, the 6950s and 6970 were pushed and released in December 15 2010, we got them in 2011.

Codenamed Cayman, the Radeon HD 6900 series was expected to be released on November 12, 2010. These release dates were pushed further back and Cayman was released on December 15, 2010. Products include Radeon HD 6950 and Radeon HD 6970.

Radeon HD 6000 Series - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Radeon_HD_6000_Series