To learn more about this event, check the following link: http://events.fai.org/calendar_details.asp?id=3164&from=21
Scroll down the page to where it says 2008 FAI World Championships for Scale Model Aircraft. If you click on the link listed under Website: you will be taken to the first page of the Bulletin giving all the details of the event. Click on the British flag to get the English version of the document. Here you will find all of the information regarding the event, including the cost of various items, eg, lodging, food, etc.
For more information on the judging and the maneuvers required of the pilots, check http://www.fai.org/aeromodelling/documents/sc4. You will want to look at Section F4, Flying Scale Model Competition.