Used a split spacebar briefly in Flabbergast's KB45P, and loved the layout, except I found the lack of a few keys and a number row to be a bit too minimalist for daily use.
Consequently, I designed this layout:
http://www.keyboard-layout-editor.com/#/gists/9d5a6a32f40d19bd82a7eedd56d40165 and was curious if anyone would be interested in possibly doing a group buy for this layout or could improve the layout.
Thoughts?