From a coaches perspective: I always appreciate officials who go the extra mile to get a call right regardless of whether it goes my way. It is encouraging to hear that the mechanics of officiating should come second to getting it right.
I even appreciate late whistles and never allow a peep from my assistants or players about them. The way I look at it, if the official was willing to blow a late whistle and incur the wrath of the crowd and coaches, He / She must really know that a call had to be made.
I'm probably not a good spokesperson for coaches on this topic, but it's my $.2