Hi all a shop near me has a few of these in stock.
If anyone want's one please let me know (pm is probably quicker)
£12.99 each plus a bit for postage.
Let me know, here's some info about it (got one for myself for upstairs).

The Xbox 360 RGB SCART cables let you experience vibrant stereo sound and premium quality image to the fullest on your TV.

This RGB Scart Cable for the XBox 360 has been manufactured by Madcatz - so you know it will be the best qulity. It has been designed to fully exploit the razor sharp graphics and digital sound of the Xbox 360.

PLEASE NOTE: This RGB Scart Cable has a versatile 3m (that's a whopping 9ft) of cable.

Xbox 360 RGB Scart Cable - Madcatz - Features:

* Improved Standard graphics
* Composite or RGB video
* Stereo analog sound
* Whopping 9ft (3m) of cable


What's In The Box:

1 x Xbox 360 RGB Scart Cable by Madcatz

(their text not mine lol)