I can't stand Trek. New Trek. I LOVE old Treks, and yours is gorgeous.
Funny thing, I was just looking at a web site (First Flight Bikes) and they have a Brand New in the box Blue Line rear derailleur for $45. I thought to myself "How cool is that?" I'd never seen the Blue Line stuff before. Very cool.

Enjoy! (I know I would. lol)

Oh, and you're getting the same system that we are. This thing is huge! Well, tall....gulf to Canada. Doesn't seem to be very wide though, so hopefully it doesn't last long.