I am not confident of doing myself, so I seeked the help a friendly shopkeeper who sells iPod,mac and pda's...He is quite confident of himself and so am I. Time taken is about 45 minutes and it worked fine except I lost my calendar/datebook data.Before I went to see the friendly shopkeer,I called Bubba,one of the palm pda's sifus in my palmx community and he advised me to keep two copies of my data-0ne in the computer and the other in the SD card of my Treo650. And this I did and I am glad that I followed his advice. After installing the 1.20 version, my friendly shopkeeper synced with my iBook.I just watched because he is very experience in this type of work.After my Treo650 was synced, he got a shock because calendar and contact data in my Treo! Then I realised but it was too late...Previously, my sync default was my Treo 650 will override my iBook. I kept cool but a tinker of regret of making the decision to upgrade my phone firmware. But honestly,it was nothing wrong with