htkaki can see difference coz everyday sell new unit ma. when testing very bright, come back to own unit become dimmer sure very obvious hehe. For us everyday look at the same machine u can't tell the difference until you see a very bright machine

Have a go at this test. Damn nice. hehe If u're good at this u can do manual calibration with ur eyes liao hehe.

Color IQ Test

My score is 3, perfect score is 0. 1st time do it 'page cannot be displayed' Dang do until eye oso blur liao, 2nd time simply do liao, eye cannot see difference liao.

Too bad my HTiB cannot decode AAC, so only got 2 channel nia.