Cheers Guys...
A quad VCA is on my wish list (either Veils or Blinds), I must say I like a few of the dual VCA though from Frequency Central or Eectrosmith, skinny enough to dot around a system close to what they will mainly be used on.
So with Maths, can you shoot it 4 separate triggers and get 4 separate envelopes?
Enjoy your spare HP, don't rush to fill every last space, this is not like filling sticker books. Resist the urge to 'complete' your rack, its never complete so just relax.