Xbox One and Ps4 preorders?

Where can you preorder these where you dont have to put the full price down?

it seams everywhere i go to look yo have to pay the full price which is...

Source: http://www.mmaforum.com/video-games/136425-xbox-one-ps4-preorders.html

Ryan Bader Thiago Alves Muhammed Ali Evander Holyfield