Radeon HD 5670
According to a recent post at Donanimhaber.com, AMD is planning to showcase no less than 12 DX11-ready GPUs at CES 2010 which will be held in Las Vegas from Jan 7th to 10th, including six desktops GPUs and six mobile models.
The Radeon HD 5600/5500 (codenamed Redwood) series is expected to replace HD4600 series. The leaked information indicated that Radeon HD 5670 features 400 stream processors, GDDR5 memory, 128-bit of memory interface, DisplayPort/DVI/VGA ports, and support for Eyefinity technology.
Additionally, the Radeon HD 5400/5300 is reportedly designed to take the place of HD4550/4350. The above mentioned cards are expected to sell around or below US$90.
AMD's mobile DX11 GPUs will include Mobility Radeon HD5800/5700/5600/5400.
source: Expreview
good news for budget builds