Have you heard of this company. They write really cool stuff for Exchange. I have done a couple of events with them recently in NYC and Boston. People love the backup and search tools they add to Exchange.
here is some info on their product NearPoint.
Mimosa NearPoint for Microsoft® Exchange Server delivers the industry’s first support for handheld messaging devices from market-leading mobile device vendors. Mimosa NearPoint version 2.1 cross platform support delivers fingertip access to a user’s email, from RIM Blackberry, Windows Mobile 5 and Palm OS based handheld devices.
Quick Search: Users can securely search and access their current and archived content, for keywords and phrases found in email headers, bodies and attachments.
Mobile Legal Discovery: Corporate security officers and legal counsel on mobile devices can securely search and access archived messages across mailboxes, to support legal discovery from anywhere.
Deleted Item Restores: Users can restore messages found by searching their email archive, back to their “Inbox”.
Go to www.mimosasystems.com to find out more.