Good to hear that things seem to move on in Canterbury.
Only one question, provocative perhaps: Who needs all those manuals in an organ with electric action, where it should be no problem to assign and re-assign keyboards and divisions by pressing the stepper?
For one thing, this will place a greater burden on the memory of the player. ('Now where did I transfer the Secondary G.O.?') This may be manageable when one is simply sitting at the console, perhaps during a sermon - but it is not something I should want to have to worry about whilst playing the last movement of Vierne's Sixième Symphonie, for example.
In addition, if (for example) you were thinking of only having a three-clavier console, controlling five manual divisions, this could both complicate registration and restrict the ability to produce contrasting effects, again for example.
In any case, I have encountered more faulty steppers * and sequencers on cathedral organs in this country, than any other faulty console or action component . They can also take a very long time to set up - and again, the possibility of making an error is increased.
* I cite but three examples as an illustration.:
1) York Minster (c.1995). It has in all probability been fixed now - but it was exceedingly unreliable when I played there during that summer - when the system was fairly new.
2) Gloucester Cathedral (At the opening recital, January 2000). I know this was faulty - I was turning pages for DJB. Again, it was a new system. During Franck's Deuxième Choral, the stepper decided (unbidden) to return to an earlier channel (or level). DJB managed superbly to play from memory, whilst riffling back through the score, in order to ascertain on which level he had set this piece.
3) Chester Cathedral. This summer (2013). Apparently, this sequencer is so unreliable, those of us playing this otherwise wonderful instrument were advised strongly to leave it well alone. (In any case, it is not as if this instrument is under-supplied with divisional or general pistons.)