Go buy it all seperately.
Bilt Hambler Autowash
clay - Megs Quik Clay
PoorBoys Polish
Poorboys Wax
Although there are alternatives to waht I've suggested.
Then you need a wash mitt, applicators and cloths.
Have a look on performance motorcare and add the code GolfGTI08 and you get free delivery and 10% off often making it cheaper than elitecarcare