STRESSOR - You're trying to make a Saturday dinner reservation, and every place but Chuck E. Cheese's is booked.

SOLUTION: OpenTable.com

COST: Free

Enter your area, the date and time, the preferred cuisine, and the number of guests and this site delivers available options from a database of 4,000 restaurants in 46 states.

"Many restaurant reservations systems are computerized at this point, which is what allows a site like this to exist," says Tiffany Shlain, a fan of the site and founder of the Webby awards, the Internet equivalent of the Oscars. Restaurant description, price range, dress code, and other information are included, so your guy won't get sent home for not wearing a dinner jacket.