Thats Megs clay bar is a god start,i use this when i need to... The P21S is a very good and recomened durable wax id say thats a good buy as well, and i also currently use Megs tyre gel.
Id have a read of this place its were most enthusiastic car cleaners learn alot
Detailing World - A world for detailers by detailers.
Also check these places for prices
Polished Bliss - Show n Shine Clean and Shiny Store (Powered by CubeCart)