The following images are examples of products that satisfy the design principle of Performance Load;

MacBook: This product positively satisfies performance load as the clean lines and simple design decreases the amount of physical and mental activity required increasing the chance that the goal will be achieved.

Vogue Cover: This product is very harmonious in the colour choice, directional lines and use of imagery. It achieves a positive performance load as it is pleasing to the eye – not difficult to view.

West Bend Electric Can Opener: This product achieves a low performance load increasing the chance that the goal will be achieved as there is low cognitive and kinematic load.
Images
www.amazon.com
www.stylefrizz.com
www.tycromedia.com