I believe that to make HomeGenie a bit more accessible to non-programmers, it would be great to have a bit more advanced wizard script capabilities.
A nice example is the blocky style user interface in Domoticz. This allows you to create logic in a user interface without writing a single letter of code.
For me, the minimum that would already make a difference, would be the capability to combine expressions by using logical operations (AND, OR, XOR).
Cheers
Pim