Ridgh,
You can create a Windows To Go on your new USB-HDD. (8, 8,1, 10) http://www.admin-magazine.com/Articl...on-a-USB-Drive
(with WTG, any USB-HDD works better than the fastest USB flash drive. WTG is real Windows)

And for dessert, for any bootable Live-ISO there is the easiest tool, drag-n-drop http://www.softpedia.com/get/System/...ToBootic.shtml