Reconciliation Summary to show reconciled balance as a bank rec is being completed rather than just difference
When doing a large bank rec, it enables you to check the balance against the bank statement as you go rather than having to get to the end and then find you are not in balance.
To have a list of transactions attached to a Customer or Supplier's name, so that when accessing a particular customer/supplier, details of their past transactions appear. This would save the need to raise a Statement to view transactions.