There's whole categories of models that fit this bill.
- Models I want to have on my mantle, but cannot justify the cost:
-Sunset Brass PRR S1 https://cs.trains.com/ctt/b/staff/archive/2018/05/24/two-brunswick-bullets-prr-s1-6-4-4-6s-by-sunset-models-1999-and-mth-2004p.aspx
- Any J3 Dreyfuss Hudson model (above image)
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Models that are beautiful but run like shit:
-Sunset Brass AC-9: Another all-time favorite locomotive tyoe, but $3500 USD buys you a gorgeous model with a dead drive train. :( -
Models I have always craved, but are way too out of my modeled era and region:
The PRR DD1 is one of the most fascinating machines of all time, and GHB recently made a gorgeous and powerful version of the legendary electric: https://micromark.com/products/GHB-International-PRR-DD-1-Electric-Locomotive-HO-Scale -
Models I will own in my life, but not now:
The Brass Erie Limited Key System "Bridge Unit" is something I've wanted all my life, that or the St. Petersburg models version that's unobtanium on this side of the new Iron Curtain. https://resourcedrails.com/products/ho-brass-erie-limited-interurban-key-system-bridge-units-set
Most of these choices are east coast models. I model California and Mexico in the 1960s' so anything that doesn't fit that theme usually gets sold off.