Enterprise customers can get hardware replacements same-day.

When I worked for $BIGCORP we'd get hardware failure calls from IBM to the tune of "server just phoned in with a drive failure, that part's not in stock locally, a plane left Atlanta with the part 15 minutes ago."

It was damn slick.

You just call them, and they separately courier-ship parts to you and send a technician onsite.

Go buy a $984 3 Ghz 2 Gbyte Dell Optiplex 780, and, for an additional $216, you get 3 Year 4HR 7x24 Onsite Service.

And yes, I've called them at 11:00 at night. :-)