Double post sorry but ive just discovered some more information.
Heres an example of the problems im having
http://img203.imageshack.us/img203/5817/voorbeeldw.jpg
And this thread below
Final fantasy 13 screen tearing? - PlayStation.com Forums
There seems to be a lot of people using scart leads who are also experiencing this. Some people are suggesting there will be a patch soon to fix it, but I dont see what Square can do about it to be honest.
Would you recommend I just go and buy an HD cable?