However, business sense prevailed, and Jobs realised that it made sense to open up the iPod world to Windows users.
Here's the Jobs quote from the biography:
"'Screw it,' he said at one meeting where they showed him the analysis. 'I'm sick of listening to you assholes. Go do whatever the hell you want.'"
I don't think Jobs should get any credit for the iTunes/Windows port. It's for the people that finally managed to wear Steve down and get the decision made.