Well, the majority of what the wizard does in 4e is control, so...
Tell us what you want to do in more detail, and we can help you. Depending on what resources you have available,
this may be helpful.
One thing to mention, the Wizard is one of the more complex classes in the most complex role in 4e. This may be a bit much for someone new to this edition, but if you've got experience or just really want to play a Wizard, go for it.