I thought that paper was the hardest music paper i've ever done, beside the 1997 which was just as nasty. Stupid melody dictation. i was all good for the essay though, so glad i listened to my music teacher.
http://en.wikipedia.org/wiki/War_of_Currents
wikipedia has some good info
http://www.ieee-virtual-museum.org/collection/event.php?id=3456872&lid=1
a little more info
Just type in the words Edison, Westinghouse and AC/DC in any search engine and you should find a heap of stuff