You, as a beginner it's much simpler to start with the 3200, the camera easier to handle, there is a built-in hint system, that is, one will not. Later, a good take pictures of her, gaining experience and knowledge, understand what factors hinder your development and choose a worthy replacement.
D90 camera is, of course, legendary, but legendary is good for collecting. Picture it will get much worse than 3200. The only advantage of the D90 is the ability to work with AF lenses maintaining autofocus. But you, as a beginner it's now little interest. Not looking for cheap lenses that then they gather dust on a shelf or have made you think how to sell them. When there is a recognized need in a particular AF-lens, you likely will be a different, more advanced camera (like the new NIKON D7100).
As the first lens advised to take AF-S 35/1.8, which is more versatile than the above mentioned fifty dollars, and the picture quality of many other glass will give a head start. Furthermore, the lack of zoom will cause more to think and move when you build the frame.