The ATI Mobility Radeon HD 5430, 5450, 5470, 5650, 5730, 5750, 5770, 5650, 5830, 5850, 5870 are all new DX11 parts.
It's only a very small portion of the series that's being rebranded, and it happens to be on the low end where most customers are shopping for the lowest prices. Most of those...