Re reversing lights and "beep, beep, beep".
May well become mandatory.... normally you're alerted, by running engines and a big noisy tug, that something is due to happen. Now you'll have aircraft suddenly and quietly creep up on you !
Maybe we'll see the return of the "man with the red flag" !
rahosi,
On a more serious note, went back to the website and the ppt presentation.
If it works on a 767 it should work on a 737.
And I see WT has Semikron on board... not exactly a fly-by-night company (no pun intended).