Look at the tables in here:
http://www.the-sia.org.uk/NR/rdonlyr...t_licensed.pdf
All you need to know is there and its not as bad as you think if its all mostly time expired stuff. a 2002 charge seems over the 5 year limit for serious offence so is not likely to automatically reject your application.
The course itself is a peice of piss and a complete joke really.