SylvanLMP
Hi Wendy, Try these artcles then E mail me if you have any questions
http://www.masterplumbers.com/plumbing/plumbviews/1999/copper.html
http://www.masterplumbers.com/plumbing/plumbviews/2000/copper-vs-pvc.html
The problem is not knowing your location and soil/water conditions.
hopefully these old articles may help.
The main thing is make sure you plumbing contractor is licensed and all work is being performed by journeymen NOT helpers (other then digging)
