CrucialNot to mention the great general support Crucial offers. Have you checked out their video on RAM, its sensational. They take an intensely technical subject and convey it in ordinary terms so that nearly anybody can understand what its all about.
When companies offer services like that in addition to providing high quality products, its important for the market to support them because it rewards them for doing it and encourages them (and the others that don't do such things now) to do more in the future.
Besides, how much do you think you would save on your RAM, getting it from some guy on the corner of your cyber neighborhood vs Crucial. Not much when you consider the investment you've made in your setup. Other than the CPU, nothing is as Crucial as your RAM. Hence, the name.