Speaking of ergonomics, I use a modified older Thumbs Up and it improves the hold-ability IMMENSELY! And now there's a Thumbs Up built specifically for the X100. I covered the Thumbs Up in gaffers tape for even more 'grip'.
Talk to a stranger today.
Some Fuji digital gear; Speed Graphic (gathering dust); Polaroid 250 (waiting for an 'art' project)