What is the relative HEAT output from one of these bulbs?
I'm presuming a '20W Energy use/100w Brightness' saver bulb puts out
little
heat and is perfectly safe to use with a '60W Max' dangly paper lampshade.

When you consider the 60W Max, you can consider it to be actually 60W. You
are unlikely to get a CFL bulb considerably more than 20W, so all CFL bulbs
would be suitable, provided it physically fits within the space available.

You can hold a 20W CFL bulb in your hand when fully up to temperature,
although it will be pretty hot. It won't burn or scorch paper, though.

Christian.