I'd also like an update on this. We've had a few more customers request this recently and I'd love to save on cc fees by switching to ACH.
This would be very good to have. I was rather disappointed to find out ACH wasn't an option considering the preferred payment processor supports it.
Would like to see some action on this as well. I've got 2 customers who report they are not getting their paper invoices, but we have no way to confirm.