Odd that it's a $12 for a Shareware Beta program ....but enough people here have asked about a Today like interface that they may wanna at least do the trial

kLauncher is brings the concept of a today page in your Palm OS device associated with a favorites launcher. kLauncher gathers information from the built-in applications Date Book, SnapperMail/Versamail,Task, Expenses, SMS, MaTirelire and displays the things to do today together with current time, date, free memory, date and time of last hotsync of the handheld device.
Here'as the author's site thru google translater