The Tech Report published a review on the AMD's Radeon R9 290X graphics carded
A quote from the article:
This is the one we've been waiting for. The Radeon R9 290X brings some truly new technology in the form of the GPU code-named "Hawaii." Read on for our pleasingly-yet-slightly-threateningly-detailed review.AMD's Radeon R9 290X graphics card reviewed @ The Tech Report