[bret]

Andrew...I agree with your points. There are many levels and definitions of "quality" pertaining to the design, construction, and function of any product. Different people and different applications require different levels of quality. I have a $3.00 rubber hammer from Harbor Freight in my toolbox because, well, its a rubber hammer. I also have a $300 flaring tool in my box because it really important to me to be able to make nice flares on brakelines.
That being said, I think EVERYONE, wheather they buy a $3.00 rubber hammer or a $300 flaring tool expects an appropriate level of competent customer service. They [rightfully] expect a friendly, knowledgeable, articulate, intelligent person [or process] to get them the components they need for their project as quickly, effeciently, and cheaply as possible.
THAT is is main difference between a cheap part and an "expensive" part. In reality, it cost just about as much to make a cheap part as it does an expensive part [with some exceptions]. Its those friendly, knowledgeable, articulate and intelligent people [who like to eat warm food and sleep indoors] that must be figured into the cost of an 'expensive" part.

THAT is why I always recommend that you purchase from the people who demonstrate they can truly answer your questions, regardless of the monetary price.