Loaded iOS4 and everything went well. Spent about 30 minutes arranging apps into folders, renaming the folders as I went along. Then sync'd the phone to iTunes. Then in iTunes I proceeded to continue where I left off, creating additional folders, adding apps to ones I created earlier on the phone, etc... Life was good. Then I pressed sync in iTunes. And the fun began! WTF, every folder I created was gone. All of the apps were scattered onto different pages. Everything was totally messed up. Spent another hour, this time only creating folders and moving apps to them in iTunes. I would sync every 5 minutes. This time it worked, but I am wondering, am I just living on borrowed time? I backed up the phone but I am very worried that I will lose all of my work. Anyone else experiencing this frustration?