WM6.5のレビューその2

Conversation View, which keeps e-mail sorted in one simple to read thread
Unified Messaging, which allows you to easily listen to your Exchange-delivered voice mails and read the transcribed text
Nickname Cache that allows you to quickly address new emails with access to a suggestion list of previously used addresses
Reply State shows you with emails have been forwarded or replied to
Free and Busy Lookup shows you the status of contacts
SMS Sync which allows you to send/receive SMS messages from Outlook and Outlook Web Access.
Windows Mobile 6.5 Review, The Age of the Windows Phone

こちらでもレビューが紹介されています。
こちらも画像が多くていい感じですね。