Hi Adelaide girl,
Here is the website of the company for the ATV tour
to Phuket ATV Tours
We booked this tour through Richard (same price as on atv website). Are you going to one of the Friday night bbq's & Sunshine bar, its fantastic fun as well and also book this through Richard. We have been to the last 6 of them and have a couple more to go haha. Theres more info on my link below.
Cathy