wow this took me 10 seconds, less time then it took you to make this thread.
Fire up an explorer window. Enable viewing of hidden files and folders. If you're on 2000 or XP, make sure that you enable viewing of "Protected operating system files". Then, do a search on your iPod drive for *.mp3. Make sure that when doing the search, enable searching in hidden files and folders.
Copy all resulting files to wherever you want them. If they have weird filenames, use id3-tagit to rename them based on their id3 tags.
Or, you can look at one of the many other posts on this topic.
http://www.xsorbit1.com/users/dennx/index.cgi?board=windowsgener al&action=display&num=1041602378
http://www.xsorbit1.com/users/dennx/index.cgi?board=windowsgener al&action=display&num=1041562088
http://www.xsorbit1.com/users/dennx/index.cgi?board=windowsgener al&action=display&num=1041067782
http://www.xsorbit1.com/users/dennx/index.cgi?board=windowsgener al&action=display&num=1039431319