First, awesome idea, the floating islands bit, it's something I've been wanting to fiddle with as well. And the background sounds like a wonderful adventure rich setting. Second, the sheer size and scope of the map. Poster-sized and stuff. I like. Especially it being hand drawn completely.

Then finally, I like the inked version quite a lot already. Though the pdf is kinda pixelized at 100%, you can see a lot of detail everywhere, but not so much it clutters everything.

I'm eager to see what it will end up like