We haven't heard much about the upcoming GeForce GTX 780 GPU from NVIDIA, but Semi Accurate talked about it in a post a little over two weeks ago, which I seem to have missed until now.
SA talks about the GTX 780 being delayed because NVIDIA are held back with the power and size of the new GPU, and they're also waiting on having more GPUs in the good bin, building up numbers before offering them to consumers. You can read more on it here.
Next year is going to be interesting, with the ever-increasing power of mobile solutions, and next-generation consoles. Are the days of super huge, super hot, super powerful GPUs over? Will we need GPUs that are 30x as fast as todays solutions, in five years time? Development of games is all done on consoles now as the target system, meaning that all of that 200GB/sec (or more!) bandwidth on your GPU is mostly wasted, or at the least, not used anywhere near as much as it should.