I,m a enthusiastic polishing novice but have found 3 products that do the job for me without spending a fortune .
used in this order
http://www.amazon.co.uk/Auto-Glym-Super-Resin-Polish/dp/B001O3XNDI/ref=sr_1_1?ie=UTF8&qid=1362079993&sr=8-1
http://www.amazon.co.uk/Poorboys-Black-Hole-Glaze-Applicator/dp/B002OHL1CI/ref=sr_1_1?s=automotive&ie=UTF8&qid=1362080122&sr=1-1
they do a lighter one for lighter paint colours
http://www.amazon.co.uk/Meguiars-Deep-Crystal-Step-Carnauba/dp/B00078XL2O/ref=sr_1_fkmr0_1?s=automotive&ie=UTF8&qid=1362080196&sr=1-1-fkmr0
they work for me but others have their own favoured products