價格問題，現在買 LCD 很少人會去在乎多少 bit
http://www.eizo.com/products/lcd/S2410W/index.asp
14-Bit Color Processing
EIZO's powerful new ASIC (application specific integrated circuit) provides 14-bit color processing capability for smooth, accurate grayscale and color rendering even in darker tones, which are typically difficult for LCD monitors to reproduce accurately.
同等級的 CRT & LCD ，當然事前者勝出，只不過各有各的優缺點