Nearly all of the big financial portals, news sites and e-brokers have a mutual fund screening section.

FORBES: Fund Selection

Hartsfield-Jackson Atlanta International, the world's busiest airport, offers "Trak-a-Line, " a service that e-mails passengers when there is a change in wait times for security screening.

CNN: Queuing psychology: Can waiting in line be fun?

One note: Because of the way financial and utility companies are financed (i.e. with large amounts of debt), Greenblatt excludes them from his screening process, so I do the same.

FORBES: Four Magic Formula Buys