I live in the UK & want to take my 16 year old son on a North - South road trip down the Pacific Coast. I would be able to take 3 weeks off work. Could anyone give me any tips and advice? I am looking at July/August '08. I would like to know the best roads & also good, but inexpensive hotel/motel acommodation, together with good hire car places & what type of car etc. Tips on where to stay a few days would also be great, as would advice on places not to linger!