Admit days are useful only if you choose among several options and can't decide without it or if you doubt you would spend time and money on HKS at all. If you are certain you will matriculate - I can't see the point spending time and money. You soon will spend 700+ days at HKS, why bother about one?
I too can't work properly this week. But for yeasterday's yearly bonus announcement the waiting would be even more painful.
I received my reject email from HKS at around 2.30 pm Boston time last year. What is ridiculous, I got it when I was at HKS waiting for a visit lecture to begin. I traveled from Russia specifically for it, so it was such a fail