Received the following via email from Kermit Geary, Jr. Text, photos, and captions are his.
Had the opportunity to get inside American Motive Power (AMP) at Danville, NY to see the new power for the San Luis & Rio Grande. Sitting outside were two slugs and a mother unit. Also a derelict F40 from Canadian American # 453, the stripped SD-45 from the NYSW # 3614, a frame from a GP-9? F#5519-34. Shop switcher AMP2008 was seen, but unable to get close to it.
SLRG 227 slug F# 757099-x2 
SLRG 245 slug
SLRG 459 mother