Their selection and order turnaround are legendary, of course.
Add technical support to the list.
Had a little problem last night with a Web order and sent an email. The young lady who called me back this morning (reached me on her *third* try) was both sweetly polite and knowledgeable. She didn't know my browser (Firefox) but knew enough about how their Web order page was programmed to tell me which JavaScript operations need to be permitted.
First-level responder results: problem solved, customer loyalty cemented.