you will not get swirls out with a clay bar. you would need to prep the car, wash, clay, and do paint correction....
Paint correction----would entail possible compounding and polishing.
take a look at these videos.....(all of them including the pc ones)
http://www.detailersdomain.com/index...on=Custom&ID=3
if you are up for it I will put a package together if your not up to it
then pay a detailer I can refer a few guys to you.