Yesterday I mocked up the frame with a car tire and a buddy's springer and girder front ends to get an idea of how it'll look when done. I like the length of the girder better, as the bike sits better. I'll be running a telescoping front end though, as they're easier to set up, ride better, and are easier to put dual disc brakes on.
Here it is with the longer springer:
Here it is with the girder: