Tom's Hardware Guide published a review on Best Graphics Cards For The Money: November 2013
A quote from the article:
The graphics card market has seen the release of five new products since our last monthly update: The Radeon R9 290, Radeon R7 270, Radeon R7 250, Radeon R7 240, and GeForce GTX 780 Ti. Read about these new models in this month's article!Best Graphics Cards For The Money: November 2013 @ Toms Hardware