Adafruit create custom electronic components with clear instructions for those new to the world of electronics.
For every product, there is a fun project to build, with a complete step-by-step tutorial explaining how to do it.
Their products are high quality and very reliable.
They take beautiful macro photos of their products to show them at their very best.
They run weekly live video show on the web where they not only showcase their products, but offer analysis on the industry at large and interview luminaries in their field.