New Rom coming for the Treo 680

From the Official Palm Blog:

Available now for AT&T/Cingular but will soon be available for unlocked GSM Treos.
Enhanced features :-
Push to Talk - Use your Treo 680 like a walkie-talkie to talk to one person or a group of up to 29. A quick glance shows whether family, friends, and coworkers are available to talk before you call.
Corporate email as it arrives - Have your corporate email delivered to you Microsoft Direct Push Technology. Accept or decline meeting invites and access your company directory on the go.
Instant Messaging - Access your AOL, Windows Live Messenger, or Yahoo! IM service.
Easy access to additional services - Set up easy access to extra services such as TeleNav GPS Navigator and MobiTV for watching live TV.
Power saving enhancements - Helps conserve battery life with improved power management and updated default system power preferences.
Supports larger expansion cards - Support up to 4 GB SD expansion cards (including SDHC format), sold separately.
Enhanced ringtone support - MP3 and other sound files purchased from the web or sent from friends can now be set as ringtones and alerts (formats: MP3, AAC, AAC+, MIDI, WAV, and AMR).

AT&T/Cingular Treo 680 smartphone customers - there is a new software update available for download here.