If you have previously recommended this thread, you should see a tick / check mark on the recommend button. Click the tick to undo the recommendation (the tick may appear to change to a cross as you do this.) If you added a comment with your recommendation, you will need to delete that from your facebook wall separately.
£199 for a new one, with your old one in part-ex ? Depending on model that might not be a bad deal.
If funds are tight then there are third party organisations that will will undertake the repair and the price varies from £50 to £200 but if you send it away to them makes sure to back up and then delete all your personal stuff from the iPad first.