That's how I do it as well, and yes, I'm on a PC.
Originally Posted by chobbs1
When I'm at work I like to have the ability to play and control music through my PC, but all my music is on my home system. When the iPhone is set to automatically sync, and I connect it to my work PC, all the music is greyed out in iTunes and I'm unable to play it. However, if I set the iPhone to manually manage music at home, when I connect it at the office I'm able to play and control all the music directly through iTunes and out to the PC's speakers.
The down side to this is that you have to manually drag music and videos from your library to the iPhone, and you can no longer use the "Sync only checked items..." option.