Should you use Legalzoom.com? Well, go to their website and read their "disclaimer" and see how you feel.
Here's just one quote: "At no time do we review your answers for legal sufficiency, draw legal conclusions, provide legal advice or apply the law to the facts of your particular situation. LegalZoom and its services are not a substitute for the advice of an attorney."
Here is another quote, "Although LegalZoom takes every reasonable effort to ensure that the information on our website and documents are up-to-date and legally sufficient, the legal information on this site is not legal advice and is not guaranteed to be correct, complete or up-to-date. Because the law changes rapidly, is different from jurisdiction to jurisdiction, and is also subject to varying interpretations by different courts and certain government and administrative bodies, LegalZoom cannot guarantee that all the information on the site is completely current. The law is a personal matter, and no general information or legal tool like the kind LegalZoom provides can fit every circumstance."
After reading the above disclaimers, you may feel a bit different about plunking down several hundred dollars for an online estate plan. At least talk to a professional. When I need a dentist, I go to the doctor - I don't use pliers from my garage to pull out my own teeth. Why take chances with your legal documents?