techPowerUp posted a review on the Danger Den DD-29XT HD 2900 XT Waterblock

Danger Den is considered to be one of the best companies around when it comes to high performance watercooling hardware. Taking a similar approach used on their previous Tyee waterblock, Danger Den designed a full coverage waterblock for the Radeon HD 2900 Series, the DD-29XT. The waterblock and can cool both the GPU, Memory and Voltage Regulators efficiently and promises dramatic results.

Danger Den DD-29XT HD 2900 XT Waterblock Review