Out of my 3 pregnancies, this was my favourite moment of revealing a pregnancy:

With DS1, I got a BFP the day before DH's birthday. I kept quiet, which was hard.
I wrapped the HPT up and wrote a card saying: 'this gift isn't ready yet, but here's a hint...'.
My DD handed each present to DH- one at a time - on the morning of his birthday. I saved the HPT for last. DD was sitting next to him as he opened it. I watched the momentary confusion, then realisation, then delight- and he cried. (I had miscarried two cycles previously, and I think he had taken it even harder than I had). I have a photo of DS and DD sitting together as he opened the HPT. It always gives me a lovely feeling when I look at it.