 Apple

Cheap way to shop for Apple products.

Buying abroad

Use The Mac Index to check the price of Apple products in different countries.

Be mindful about details:

Keyboard layout: Make sure you choose the right one :)
Power plug: Will it be compatible with your country? If not, most Apple power plug can work with the World Travel Adapter Kit, or just use your existing power plug.
Warranty: Will it be valid in your country?
Sales tax: Some countries include sales tax in the price, some don't. Some country has a refund system for tourists, some don't.
Import tax: Does your country have import tax?
Shipping: Is there a shipping fee? How long will it take before you receive the product? (in store, or at your hotel)