Here is a great shopping list....
Hardware,
Foam lance (with the correct fitting for you jet wash)
2 detailing buckets with grit guards
1 large lambs wool mitt
1 or 2 large Plush drying towels
Couple of detailing brushes for wheels,shuts and grilles etc
Tyre dressing applicator
1 or 2 medium plush towels for applying detailing sprays and buffing (I use Chemical guys super deluxe microfiber towels)
Products,
5L snowfoam (1L is fine, 5L will last years and years)
Shampoo (I use Chemical guys)
Bilberry spray (diluted for wheels and arches)
IronX spray
Clay bar and lube spray
Pre wax paint cleaner
Chemical Guys Blacklight Radiant Finish polish
V7 Hybrid Paint sealant spray
Wheel guard wax/sealant
Tyre dressing (chemical guys G6)
I've started using Chemical guys products with amazing results
You can buy all you need from them too, and they do kits to save even more money.
Have a look here...
http://www.chemicalguysuk.com/category_s/30.htmThat should do you for now!!!