Personally for picture quality, I still believe the best way to choose is to get the salesperson to put your selected HDTV side by side, make sure the settings are similar and compare. If possible bring your PS3 or laptop to use as the output source and see which suits you best. Sometimes you just can't believe everything you read on the specs.
Other than contrast, colour vibrance and resolution, its also advisable to check on any overscan or underscan between the models.
Here is what I have found out:
"Contrast ratio represents the luminosity of the brightest vs. the darkest color that a display device can display.
There are two ways of measuring the contrast ratio: On/Off (Dynamic Range) and static (ANSI).
On/Off (Dynamic Range) contrast ratio is measured by displaying the peak white level and the deepest black level separately.
Static contrast ratio (ANSI) is measured by displaying a black and white check board on accurately calibrated display device."
On another note, manufacturers, further "improve" the image quality by implementing an image enhancing algorithm (Software Dynamic Contrast eg Best Resolution Audio Visual Integrated Architecture BRAVIA) or/and Active Backlight Control (Hardware Dynamic Contrast).
For Software Dynamic Contrast, a chip analyzes the source picture and fixes the contrast, color and brightness in real-time, so that the image looks pleasant and vibrant. The down part is that if its set to high, the image-enhancing algorithms can backfire, exposing hidden artifacts and may cause color banding.
Hardware Dynamic Contrast functions by adjusting the luminance level of the backlight according to the screen image, simple, but may not be very effective. Recently this have been upgraded in soon to be released LCDs which are able to dynamically control the luminance level of individual LEDs located behind the LCD.
For technical details on contrast and if you don't mind the long read head on to this thread on
AVS ForumsIMHO, when I compared some of the sets highlighted I found Sharp Aquos LC 32BX6M with the colours most suited for me.
This post has been edited by yjtay: Apr 3 2007, 08:15 PM