In fact it is so tiny that the Genos firmware (style playing engine) is no meaningfully different than it was in Tyros 1. Probably even older than that, but unfortunately, although not a boy anymore, I am too young to go further back.....

It is a marketing miracle how they can resell the same product over and over again, mostly to the same customers (which in the meanwhile got silver haired). It is as if Microsoft would be still selling Windows 3.1, with some marginal repackaging. At jewelry prices.