These guys are doing exactly that...performing beyond expectation. This is a recently received e-mail from Zappos regarding a status of my wife's order.
Happy holidays from Zappos.com! We have some good news!
Although you originally ordered Standard (4 to 5 business days) shipping and handling, we have given your order special priority processing in our warehouse so that your order will ship out today, and you should receive your order in 2 Business Days (from today) instead.
December 30th 2004
Thursday, December 30th 2004
above order has already been packed and we will be emailing you your UPS
We are constantly striving to improve our service. If there is anything that we can do to help improve your experience, please don't hesitate to let us know. If you've enjoyed your experience with us, please tell your friends and family about Zappos.com!
Thank you for helping make Zappos.com the Web's Most Popular Shoe Store!
Zappos.com Customer Loyalty Team