I am moving to San Diego with a friend at the end of August and would like to see some sights on the way out there. I-10 seems to be the quickest route but I want it to be scenic as well. This will be my first road trip so any advice about routes and sights would be appreciated. I have about 7 days to get out there and would like to see all that I can in that amount of time. We're also a bit strapped for cash so cheap alternatives are welcomed.