it will for sure be a beast! and i can't wait!
i'm really thinking that i'll run the cables over the top of the d300, and in from the back under it. will keep things really clear away from the shaft. here's a pic of teh NorthWest FabWorks kit. i'm back-n-forth as to buy this kit or just build my own.
http://www.northwestfab.com/Shifters.html