Un wire your iTunes
Wired has a good run down of your option for taking music back off your iPod and onto your machine. A process which you may need to do as "there are a number of legitimate reasons you might need to transfer songs from your iPod to your hard drive".
Strangly, this is something I've been updating my special skills file about recently, as I'd got abit sick of using iPod Rip, as it often seems to skip things and is not that solid...
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17th Nov 2006 - Tumblr