I've had a few customers looking for a good summary of all the different versions of Exchange and the respective policies you can enforce.
This may help!
Settings
Ex2003 SP2
Ex2007 RTM
Ex2007 SP1STANDARD CAL
Ex2007 SP1ENTERPRISE CAL
Windows Mobile Version Required
WM 5 and above
WM 6 and above
Future Version of Windows Mobile
Password Required
x
X
Min Password Length
Alphanumeric pwd
Inactivity Timeout
Max Failed Password Attempts
Policy Refresh Interval
Allow non-provisionable devices
Attachments Enabled
Storage Card Encryption
Password Recovery Enabled
Allow Simple Device Password
Max Attachment Size
WSS Access Enabled
UNC Access Enabled
Password Expiration
Password History
Require Manual Sync When Roaming
Min Device Pwd Complex Characters
Max Calendar Age Filter
Allow HTML Email
Max Email Age Filter
Max Email Body Truncation Size
Max Email HTML Body Truncation Size
Require Signed SMIME Messages
Require Encrypted SMIME Messages
Require Signed SMIME Algorithm
Require Encryption SMIME Algorithm
Allow SMIME Encryption Algorithm Negotiation
Allow SMIME Soft Certs
Require Device Encryption
Allow Storage Card
Allow Camera
Allow Unsigned Applications
Allow Unsigned Installation Packages
Allow Wi-Fi
Allow Text Messaging
Allow POP/IMAP Email
Allow Bluetooth
Allow IrDA
Allow Desktop Sync
Allow Browser
Allow Consumer Email
Allow Remote Desktop
Allow Internet Sharing
Unapproved InROM Application List
Approved Application List