BERLIN (Marketwire) - IFA -- NVIDIA today introduced the NVIDIA® GeForce(TM) 400M series of graphics processing units (GPUs) -- the building blocks for the next-generation of NVIDIA Optimus(TM) and NVIDIA 3D Vision(TM) notebooks that are coming onto the market from leading vendors, including Acer, Asus, Dell, Lenovo, Samsung and Toshiba, with others set to announce soon.