Used this stuff to for the first time this weekend and you get a lovely deep shine. Altough you do feel that you've done 5000 push ups afteryou've done it (Polish that is) £14.99 from halfords so alot cheaper than Overclokers when you take into account the P&P.
Also recomend Meguiar's Water Magnet Drying Towel (£11.99 halfords). You'll be quite amazed how well this cloth drys your motor off. I squeege it the car before the using the cloth.