Well, you asked for it!
All HO scale:
Chicago, Rock Island and Pacific (37)
2-8-0 2008 (Bachmann)
2-8-2 2710 (Athearn Genesis)
BL2: 425 (P2K)
DL107: 623 (P1K)
Doodlebug 9090 (Bachmann)
E6A: 628, 629 (P2K)
E8A: 654 (P2K)
F7A: 109, 115 (Stewart)
F7B: 109 (Stewart)
GP7: 1297 (P2K), 4434, 4446 (Atlas Classic)
GP9: 1313, 1321 (P2K), 4424 (Athearn custom)
GP18: 1346 (P2K)
GP35: 317, 325 (Athearn custom)
GP38-2: 4300 (P2K), 4310 (Athearn), 4379 (P2K)
GP40: 385 (Atlas Master)
GP40-2: 3004 (Athearn custom)
H15-44: 401 (Atlas Master)
RDC-3 9002 (P1K)
RS-1: 747 (Atlas Classic)
RS-3: 473, 497 (Atlas Classic)
S1: 599 (Atlas Classic)
S8: 802 (Stewart)
SD40-2: 4793 (Athearn)
SW9: 778 (P2K)
SW1500: 947 (Athearn)
U25B: 201 (Stewart)
U33B 285 (Athearn custom)
U30C 4594 (Atlas Master)
AMTRAK (3)
F40PH 300 (Walthers)
P40 818, 820 (Athearn)
BN/SF (3)
GP38 BN 2175 (Atlas Master)
Dash 8-40B SF – BNSF patch 8615 (Atlas Master)
Dash 8-40BW SF (Atlas Master Silver, on order!)
I & M Rail Link (4)
GP7 101 (Atlas custom)
F45 393 (Athearn custom)
SD40 202, 210 (Kato)
Iowa Interstate (2)
GP10 (Kaslo)
GP38 604 (Atlas Master custom)
Union Pacific (1)
SD70M 9900 (Athearn Genesis)
TOTAL LOCOS: 51
My “max” that I won’t exceed is 60 (and that is only if they make every remaining loco I want - some of which will NEVER be made in plastic), so my collection/layout is almost complete!