I hate to say it but not a single phone has any EASY transfer method.
Here I went with the droid and since I had my stuff in Outlook, it slid right over.
The palm desktop stuff would be more work.
I presently use a Palm Centro and back my Contacts and Date Book up with Palm Desktop. Which smart phone would be the easiest to transfer all this data to. I particularly want to be able to have my Date Book/Calendar on my device. I have been told that I can transfer from Outlook to an iPhone but it seems very complicated.