couriers
I never seem to have very much luck with couriers. I remember the very first time I ever had to have something delivered by courier, it was in fact my very first PC from a company called Multiplex (long since deceased), in 1991 - the days when you really had no choice but to mail-order to get a PC. It was a searingly sexy 386 33Mhz with 14″ CRT VGA monitor (take that EGA / CGA losers!