Daz, have you had a look at the complete range of Autosol products? I spent quite a bit of time with the rep in Canbarra and he explained the full range to me. The Autosol paste in the tube is the most abrasive of a three degree ssytem of wheel polishes. Without seeing the condition of your wheels I would suggest you start with the lightest product (can't remeber the name of it but it is a liquid in a black bottle)
If you really want the product name drop me a PM and i'll have a look at the sample bottle I bought home.