Blu-ray High Definition DVD
Many people felt that DVD was the top of the line in home theater and for awhile they were correct. Then came the war for high definition video and truer quality sound. The battle was between two competing formats, HD-DVD and Blu-ray. As of late 2007 the war was over and Blu-ray won out.
Laser wavelength: 405 nm
Backward Compatibility: DVD, CD, DVD+R, DVD+RW, DVD-R, DVD-RW (if finalized)
Video Resolution: 480p, 480i, 720i, 720p, 1080i, 1080p