Don't know about crispness and I don't think it has a dead rubber feel either. I could be wrong here but the HHKB is silent, unless you bottom out the keys, and only if the key is hit with enough force. However, there is some noise generated as you type quickly, but its not a clicky sound. Its more like a thock thock thock.
YMMV, as my hearing is not so good, it will mostly sound different to you.
There seems to be a fair amount amount of resistance as you begin to press down(which puts me at odds with the above mentioned post). It feels pretty conistent all the way down too. For me it is oddly pleasant experience. Its up there with my BS keyboards.