This story could be, if it actually happens, extremely important. A committee of the Kuwaiti Parliament has approved a move towards creating a single electoral constituency. Currently there are five constituencies, and critics say the system is gerrymandered to support pro-government/tribal political blocs. As the article itself notes, earlier versions have had anywhere from 10 to 25 constituencies.
As far as I can think of off the top of my head, the only Middle Eastern electoral system that has a national-level constituency with no geographic districts is, well, Israel.
Worth watching, though of course little may actually come of it.