How about a check box for individual switches and modules to include them in the Room ON and Room OFF functions?
I think Room ON is a great feature. I have a "security/panic" event in Homeseer which turns on all lights inside and outside the house, except the bedroom where we are likely to be, in a night burgle. I can't do this with the Willie because I have space heaters and coffee makers in the rooms I want to panic on. Also as noted in the thread, "All Lights ON" X10 command does not work well since a lot of appliance modules are now used for CFL's and LED's
Jeff's suggestion solves all these problems.
I don't know how hard it would be to use Jeff's check box suggestion, but it is a perfect solution IMHO.