Sony has announced a new 3D Blu-ray Disc player and upgrades to existing players so that they will be able to show high-definition 3D movies too. The company introduced the BDP-S470 Blu-ray Disc model and upgraded existing home theater systems, which will be able to play Blu-ray movies when related firmware for the devices is released later this year. Movies based on the Blu-ray 3D specification, which was finalized by the Blu-ray Association in December, can be shown on the players