samsung A656
* Excellent black level with decent shadow detail
* Very good standard-def video processing (especially video and film mode deinterlacing)
* Comprehensive set of picture adjustment controls available in user menu (including white balance and a rudimentary colour management system)
* [100Hz Motion Plus] reduces motion blur (but may cause interpolation artefacts; see Cons)
* "Just Scan" allows for exceptional detail from 1:1 pixel mapping
* Displays 1080p/24 video signal from Sony PS3 without exhibiting telecine judder
* Generous connectivity with 4 HDMI 1.3 input, USB port, etc.
* Settings can be stored independently for each input
* Can accept and display 1920x1080 progressive video signal over VGA
* User menu and EPG navigation quicker and more responsive than last year's models
* Swivelling table-top stand comes pre-attached out-of-the-box for quick setup
Cons
* [100Hz Motion Plus] may introduce interpolation artefacts like tearing, stutter or shimmering around moving objects
* Shiny "Ultra Clear Panel" reflects ambient light and causes glare
* Mild input lag (except in "Game" mode or over VGA) may affect sensitive gamers
* Some clouding and backlight unevenness (though reduced to unobtrusive levels after calibration)*
* Slight low-pitched hum from back of TV unless the screen is very bright*
sony 40w4000
* Accurate primary colours with excellent decoding
* Excellent black level with decent shadow detail
* Exquisite high-definition detail from "Full Pixel" 1:1 pixel mapping
* Handles 1080p/24 video signal correctly without telecine judder
* [Film Mode] "Auto" can deinterlace film-based 1080i material to 1080p without resolution loss
* Better than average scaling of standard definition content
* Solid connectivity with 3 x HDMI 1.3, USB input, etc.
* TV speakers deliver impressive resolution, soundstage and dynamic range
* Settings can be saved independently per input
* Speedy and responsive EPG and channel navigation
* Table-top stand swivels and easy to set up
Cons
* No white balance control in user menu for greyscale calibration
* Motion resolution not as good as those on HDTVs equipped with MCFI/ 100Hz technology
* Fails to apply 3:2/ 2:2 pulldown to 480i/ 576i film-based content even with [Film Mode] set to "Auto"
* Backlight setting not saved if the Sony KDL40W4000 does not go into "true" standby mode
* XMB user menu rendered in lower resolution and lags intermittently
* Slight clouding and LCD backlight bleed (though negligible once calibrated)
* Mild low-pitched electronic hum from back of TV (not a problem at normal sitting distance and TV volume)
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