Both are good choices.
The 3200 is a point-and-shoot camera.
The A75 can be used as a point-and-shoot in "Auto" mode. It also has the manual override features that the more advanced photographer will like.
Here is a side-by-side look at their specifications:
Right under the red stars is a link to "owners opinions". See what owners of the cameras think.
For all the experts out there: What would you recommend: Canon A75 or Nikon 3200 for an amateur like me? (unfortunately this is all i can affordn..)