Insurance

www.insweb.com (represents 40 companies and has good educational tools)

www.quicken.com (analyze your insurance needs)

www.quotesmith.com (300 companies, but lack tools)

www.youdecide.com (quick quotes and calculators)

www.4freequotes.com (smaller insurance companies)

www.esurance.com (try it, I have my car insurance from these guys)