Woah thanks guys for more info. friend didnt end up coming over so no progress.
@aldiron a normal cable should be sufficient for each computer to pick each other up (learning networking in class atm crossover switches packets tcp/ip that jazz)
I've set up homegroup up and sharing and that seems like the most logical and easiest way for now. I've transferred small files in the past via that but not too sure about my 25gb wow folder.
I'll update this page when I do this and we'll see how it goes. I'm going to try every way just for the sake of it and post info about it if i can