Starting with the GT series, the existing GT70 and GT60 are both getting a quad-core, 3.2GHz Core i7-4200MQ CPU with a 4GB NVIDIA GeForce GTX780M GPU or a 3GB GTX770M.
No word yet on pricing or availability, but MSI has preliminarily said it will boast a 2.9GHz Core i7-4702MQ CPU, 2GB NVIDIA GeForce GTX 760M GPU, 8GB of RAM and a battery rated for three hours.
For the money, you'll get a 2.3GHz i7-3610QM Core i7 CPU, 16GB of RAM, an NVIDIA GTX675M GPU, a 1.5TB 7, 200RPM hard drive and a 400-nit, 17.3-inch, 1080p display.