Non-refurbished 444s:
002, 016, 017, 018, 023, 026, 028, 030, 031, 036, 037, 043 (12 units)
The other 33 444s are refurbished. (73% complete)
450s without the relocated First Class:
Units 544-570 and
004, 009, 014, 021, 022, 023, 026, 028, 029, 030, 035, 039, 040, 042*, 071, 074, 076, 077, 088*, 099, 107, 108, 109, 110, 116 and 118 (11 partly-refurbished)(42 non-refurbished)
The other 74 450s are fully refurbished. (58% complete)
*currently being done to fully refurbished state
Let me know if any more trains have been refurbished and I will edit this post regularly