A few of my reasons for modelling 1840s railways in HO:
1. I like microlayouts! In the early 1840s most trains were short (many mainline trains only had four carriages at this time, and even that could be a strain for some of the low-powered locos). And an HO layout takes up just three-quarters of the area of an equivalent OO layout, which helps as well. The photo for this post shows my attempt to answer that age-old question "Can you build a station on an A4-size baseboard?" The mock-up su