HT1202: Using iPhone, iPad, or iPod with multiple computersLearn about Using iPhone, iPad, or iPod with multiple computers
Check this helpful user tip by wjosten:
or this one by turningtest2
Thanks Ingo! And, it at least looks like all of my data IS still there. It was a bit of a leap of faith... but I guess all is good. I had music on my iPhone yesterday, for my workout... Haven't figured out yet if I can now add playlists or not... But, that is for another day!