This was a regular occurrance with my old 3G 40gb iPod, but has not happened once with my 4G 40gb, although it does tend to reset itself; ie when I turn it on the Apple logo appears as if it were resetting.
Here.
For any software mentioned always check versiontracker.com first as it's likely to be there. Use the search function.
(oh, and 'hi' from sunny Yorkshire :))
I am surprised they haven't played on the 'no viruses, no adware, no spyware etc' point. I would have thought that that would appeal to more windows users than anything else.