Put hundreds of HD movies at your fingertips with Sony's 400-Disc Blu-ray MegaChanger ($1,900). The MegaChanger allows you to play your movies with features including full HD 1080/60p and 24p True Cinema output capability, 7.1 channel Dolby TrueHD, Dolby Digital Plus, Sony's HD Reality Enhancer and Super Bit Mapping technologies, and DVD upscaling.