Last weekend at the OGCA show, my Dad and I saw Big Norm's Borchardt. He really hit the jackpot!
Norm,
Good luck with the Borchardt takedown. I bet you'll also find a good used copy of Fred Datig's book on AMAZON.COM.
Oh, and here's a link to pictures of my 1902 Eagle "Fat Barrel," so you can see how it differs from the '06.
http://www.iwaynet.net/~jwsiv/Lugers/02Eagle.htm