The site claims internal sources at AMD told them there will be a Radeon HD 4950, a Radeon HD 4970, and a Radeon HD 4995 X2. The reporter says this card should enable ATI to regain the performance crown from the NVIDIA GeForce GTX 295.
Previous reports claimed ATI may introduce the first RV790 GPUs at CeBIT and there's some speculation that these parts may be 40nm but nothing is really official yet.