As long as we're talking organs (SK1 and Nord Electro are in recent threads) ... one friend of mine told me about this (Below).

An inexpensive controller keyboard plus an old iPhone or iPad, and this:

https://www.yonac.com/galileo/

Supposedly has great "B3 tone" comparable to the hardware option. I'm not a big proponent of software 'apps' as I tend to like 'real keyabords' .... this app plus an inexpensive or used controller might make a killer organ ...

Jim