LG 42SL9000 and 47SL9000 LED TV’s are not available from Tesco’s online.
The following Samsung LED TV : UE-32B7020, UE-40B6000, UE-40B7020 are available at Tescos.

/* Unit: Tesco LED TV */

Read a review of the Samsung LED TV 7020 at ledtvreviews.co.uk
Samsung LED TV Picture Perfect
For images that are stunningly true to life you need the [...]

Currys are stocking the LG LED TV 42SL9000 and 47SL9000.
They have the 42SL9500 and 42SL9500 model name but they are the same TV. LG changed the model name for the SL9000 to SL9500 for their LED TV for Currys.
Currys offer a wide range of LED TV’s from LG and other vendors such as Samsung, [...]

Dixons LED TV
Dixons are stocking the LG LED TV 42SL9000 and 47SL9000.
Dixons stock the 42SL9500 and 42SL9500 model name but they are the same LG LED TV. LG changed the model name for the SL9000 to SL9500 for their LED TV for Dixons.
Dixons only operate online and will deliver the TV direct to you. Dixons [...]

LG 42SL9000 and 47SL9000 LED TV’s are not available from Sainsburys online. The following LG TV’s and Samsung TV’s are available. Click on the links below for more information and more TV’s.

John Lewis are the UK’s most trusted TV retailer. John Lewis are not stocking the LG LED TV 42SL9000 and 47SL9000. John Lewis offer a wide range of LED TV’s from LG and other vendors such as Samsung, Panasonic and Sony.
John Lewis Flat Screen LCD TVs & Plasma Televisions
John Lewis have stores in a [...]