Consumer Reports November 2011 compares and contrasts various healthcare plans.
See what your specific needs are as regards health care coverage and whether the companies (and others as well if applicable) differ in what they would cover and see which one meets your needs. Some of this information should be online or you could speak to a representative and they could send you the information.
This is an impossible question to answer. These plans have been around a long time and both are pretty good.