I gathered a ton of reference shots (the best I can get anyway) from the Fallout 4 presentation and decided to share them with the community. They're the best resolution I can get and i'll be adding to this gallery as I can. If anyone has shots I missed feel free to post them! 
http://s27.photobucket.com/user/Vadnais/media/Fallout 4/powerarmort-60-3_zpslc12mlnk.jpg.html
http://s27.photobucket.com/user/Vadnais/media/Fallout 4/powerarmort-60-3_zpslc12mlnk.jpg.html