As someone who regularly shops on-line, I've had my fair share of experience with shipping companies.  By far, UPS is the one I trust the most.  Using their on-line tracking system, I can be sure of a delivery date.  Their delivery people are friendly and helpful, bringing any problems with a package to my attention right away.  They may be slightly more expensive than some of their rivals, but their attention to detail makes it worth the extra cost.

I do have one small issue with UPS, however.  Their basic service.  Because I am located in a rural area, items sent by basic shipping are...