I'm not sure if hit has been mentioned, I'm not really interested in scanning through forty pages to check. I'd be interested in seeing collapsible lists (folders) for managing larger volumes of accounts. For anyone with a fat list of accounts, it can become tedious to manage them.
That and I'm an organizational freak.
Aside from that, I couldn't want more from this absolutely invaluable tool. The Freelance community owes anyone involved a debt.