You dont even have to , just plug in it and your Mac can detect Windows formatted iPod , no problem

I have tried it

Just select manual sync rather then Auto. Oh yes , this does not work for the Shuffle

Yep its possible

Source : http://playlistmag.com/weblogs/ipodblog/20...tipod/index.php

So , you can use it , there is no problem at all..No need to convert , etc...Just set to manual Sync

Once you got your mac and you want all your music files back to your Mac. Just get iPod to folder [PM me please , if you want the App]...It will copy all your songs from the iPod back to your Mac