small"ish" cnc horizontal mill - Practical Machinist
Kitamura Mycenter-HX250iG - Ultra Compact Horizontal Machining Center - HXG-Series. Mazak, UN-600/30H. both are 30 taper, which I'm not hot about but small is small. I'm not sure what a short run vs a long run horizontal is supposed to be, its a horizontal, run as many as you want. Seen a couple of the kitamuras show up for sale used before ...