I have to second a few of these here:
1) the Reading T-1 (with the works)
2) the T&P 2-10-4 (with the works)
How about the switcher your modeling Wowak??? Some of us like the smaller steam engines!
Reaching here, but...
1) Western Maryland K-2 4-6-2
2) Delaware and Hudson K-62 4-8-4
Henry J