AMD has released several new processors in the Athlon and Phenom II lineups and aimed them squarely at budget-minded consumers. The chips have already been benchmarked on several sites, and, overall, they appear to offer good performance for the price.
For benchmark comparisons, check out Hot Hardware, AnandTech, Computer Shopper, Tom's Hardware, Overclocker's Club, and ExtremeTech [AMD via Engadget]