Broadcom's new chip integrates more functionality in a single chip, which makes manufacturing the entire set simpler, which makes it cheaper for you 'n me. The technology of HDTV is still very much in its infancy; things'll only be getting cheaper & better in the future...

"But as TVs and displays have gotten larger, people often watch two sporting events or other programs simultaneously side by side, and video quality of both is critical, Thomson said. Thus, Broadcom designed the BCM3563 to support that usage model."