The Office Letter, an excellent resource for tips and tricks on Microsoft Office, posted a review of IMS v4 to their latest newsletter:
"The company’s Web site claims you can save up to an hour a day by working more efficiently with ClearContext prioritizing your inbox messages and unifying your view of messages, tasks, and appointments. That’s probably a safe bet, given the flexibility and organizational features that ClearContext adds to Outlook to help you make better use of your Inbox — letting you manage your Inbox, not being swamped by it."