VR Zone reports NVIDIA's new GeForce GTX 670 Ti will use a cut-down GK104 to compete with AMD's Radeon HD 7950. This new card could arrive in May.
Getting back to NVIDIA - as expected, the GK104 chips which did not "pass the mustard" will be recycled and named GeForce GTX 670 and GTX 670 Ti. According to German publication 3DCenter.org, GK104 will take the GF100 (GeForce GTX 465/470/480) route: GK104 on the new cards will have one SMX less (7 in total), bringing a total of 1344 cores (should we still call them CUDA cores given the amount of GPGPU performance castration performed with Kepler?).
The remainder of the chip will remain the same, and we're looking at the following specs: