I did not explain this well. It's about using Custom Parameter Palettes to group controls and, to my chagrin, is pretty much covered in the manual. 

First create a CPP (WIndow>Custom Parameter Palette>New) and get: 

Now select, say, the spotlight in my scene 

Drag the Spotlight's Intensity dial and drop it onto the CPP 

Repeats as wished to add other dials. In my case I added a bunch of dials from several lights.

The CPP stays open and visible regardless of what is currently selected. And, as I did it, it puts all my wanted light dials in one place, always available.

Adding On/Off and Intensity Multiplier dials is a touch trickier and requires first creating the dial on, say, one of the lights, configuring it, and then dragging *that* dial over to the CPP.

That's it. Has nothing to do with IBL, which, btw, works fine with Superfly. I use IBL frequently to temporarily light up a scene so I can see things better for posing, and then I do occassionally forget to turn it off again before rendering.

Rendered with IBL off 

Rendered with IBL on 

Both using Superfly