Internet cafés have sprung up all over Puerto Vallarta and even small surrounding towns and villages, making e-mail by far the easiest way to get in touch with people back home. If you're bringing a laptop with you, check with the manufacturer's technical support line to see what service and/or repair affiliates they have in the areas you plan to visit. Carry a spare battery to save yourself the expense and headache of having to hunt down a replacement on the spot. Memory sticks and other accessories are usually more expensive in Mexico than in the U.S. or Europe, but available in megastores such as Sam's Club and Office Depot. The younger generation of Mexicans are computer savvy and there are some excellent repair wizards and technicians to help you with problems; many are bilingual.