This contrast ratio stats are bogus. If you look at the actual color depth and contrast ratio of a digital image, it is impossible to display 100,000 or 500,000 contrast ratio. The detail is simply not there. Even the 5,000:1 contrast ratio is a joke. When they measure it its actually only 600 or 700 to 1... despite the "minimum" listed by the manufacturer to be 1,000:1 and dynamic is 5,000:1. Its just a phony number game to give the impression their getting more for their money, when, in fact, they are being lied to. 24-bit or 32-bit color makes no difference. Sure some REAL extra contrast does help, but the video signal itself does not contain anywhere near 5,000:1 contrast ratio, let alone 100K or 500K. BOGUS and IRRELEVANT DETAILS.