I think the first question is why do you think you need them? The 1000 grit diamond stones take you to the finest edge required for practical sharpening. For all the blathering we do here on the forum about achieving the most spectacular, mirror-like edges, it’s all for show. The fact is that there is little to be gained by continuing past 1000-grit. We don’t do it because we need to. We do it because we can.
That said, I vote for the micro-fines. They’ll give you a strop-like edge in no time.
I think I just stepped on my dick. Be gentle, guys.