Apple still gives its customers a monolithic iTunes setup program with absolutely no options to pick and choose based on your specific needs.
Now that iTunes 10 has been released, it's apparent that nothing has changed in Cupertino. One of the most popular posts I wrote in 2008 was a set of step-by-step instructions to help you do what Apple doesn't want you to do with iTunes for Windows (see Slimming down the bloated iTunes installer).