The Sony STR-DG920 is a 7.1 channel receiver released in June 2008 for $699 that supercedes the STR-DG910 released in April 2007 for $599. The 920 offers several key upgrades to the 910 including 1) a fourth HDMI input, 2) analog video upscaling to 1080p, 3) Dolby TrueHD and dts HD-MA audio decoding, 4) upgrade to the HDMI 1.3 standard, 5) a second zone of audio, and 6) a small increase in audio power to 110 Watts / channel up from 100 in its predecessor. The STR-DG920 support 1080p video signals with a pass-through, and will upscale analog video sources (composite and component) to its HDMI output at 1080p. The step-down model Sony STR-DG820 is $200 cheaper at $400 but won't upscale or transcode to HDMI.