I went down the separate rules route and got it working nicely, thanks for the tips @bertabcd1234 . I've posted about this in more detail in a separate post:
I've recently setup some IKEA On / Off switches to control my shades and thought I'd share my setup in case anyone else can benefit, including connecting the switches to HE and the rules I setup. I am controlling RTS (non ZWave) Somfy motors, but would expect this should work for any shades adhering to the right capability.
Background
Earlier this year I installed my Somfy motors and once the Bond bridge became available in Australia I purchased one and linked it to HE using @dman2306 's Bond…
Simon