Given that it's pretty much symmetrical, I wonder if it would've been possible to split it into two parts (each the same) and move the touchscreen elsewhere. The future, if you believe Sixense/etc is in controllers held by each hand with each arm free to move independently. Allows for less space for electronics and duplication I guess.

Just find it funny that the future in late 2013 is still something requiring that our hands are held so closely together.