Mmmm.....you ask a good question grasshopper.
The quick-easy way is to use the following products after your car is washed:
Finish Kare Products:
www.fk1usa.com
Apply FX-100 Wax sealant
then apply product #425 (I'm addicted to it)
These two products are the easiest way to get a "quick" wax however I would strongly suggest at least a solid wax job as a base, described in the 2 links below :
http://986forum.com/forums/showthread.php?t=5378&highlight=waxing
http://986forum.com/forums/showthread.php?t=5412&highlight=waxing
KRZ