Confused about installing windows on mac book air

Hi Guys I have only been a member of this website for just over 24 hours but already a little addicted. Very knowledgeable people who all have the same thing in common (visual impairment). I am looking at getting the latest Mac book air and I will want to put windows 7 on it to run Microsoft office. As a complete Mac virgin I have no idea how to do this using Bootcamp. I do have an OEM version of Windows 7 64gb and a 16GB USB memory stick. I guess my question is, how would I go about installing Windows if the Mac Book Air has no CD drive and only two USB ports. I have been reading that you can use the external Apple Super drive to install it but with that attached and the other USB port in use with the memory stick how can a sighted friend use the track pad and keyboard during the windows instillation process? I have been reading that once the instillation process is running that the Mac track pad and keyboard aren't useable in windows without the correct drivers? Have I got completely the wrong end of the stick? I am compiling details up so that when I do get around to getting a Mac book air I have all the information to hand. Thanks!