Once your Wizard reaches level 70 (perhaps with a help of a leveling build), you will be in a prime position to pick and work towards your Build. Keep in mind that your Build will not only define your gameplay going forward, but also your optimal armor and weapons.
Below you can find some of the best Wizard builds for Diablo III.
(LoD refers to the Legacy of Dreams Legendary Gem)
This build allows the Wizard to have a high damage potential while still being very tanky. It does not rely on any sets, but rather a few legendaries to enhance your Skills. This build can be complicated to use. Damage on this build primarily revolves around Energy Twister.