Mess.be reports a new completely overhauled version of Windows Live Messenger for Windows Mobile 5.0 devices has been leaked. This is a part a the private Beta of G2 suite of Live services which also includes Live Mail, Contacts, RSS and Local Search.

New features include:

-Voice Clips (just press your Call button while in a conversation and you can send 15-second voice messages)
-Group conversations
-File transfers (send your camphone pics), nudges
-Add Messenger dashboard (showing your nickname, e-mail address, Display Pictureand current status) to the Today screen.
-Personal Status Messages

All mirrors except for one Rapidshare.de link is currently available for Windows Mobile 5.0 Pocket PC here

Update: The file has been deleted