Very simple setup:

registered users - peppered with ads

ad-removal subscribers - no ads

So in essence, the registered users belong to no plan, and the subscribers belong to the Ad Removal plan. How do I make the Joomla ad modules disappear for my subscribers? Right now, the CBSubs plan options appear to function backwards for my needs.

As you mentioned, your solution means that all unregistered guests would also not see the ads. Additionally, your solution would make me burn through my 500 subscription license in a matter of weeks, with almost no income being generated.

I'm sorry but this is inadequate. CBSubs does not function the way I need it to, so I can't make use of it. This is unfortunate because I thought my use case was a very simple and typical one. Please let me know how I can go about canceling my license and getting a full refund.

That's an interesting idea, however it does not prevent the module from showing up altogether. Part of the appeal of removing the ads modules is that the display area gets larger since those modules are no longer present to take up horizontal and vertical space.

For maximum flexibility, I propose the following update to future versions of SBSubs:

Instead of a single list of modules, show 3 panes (left, middle and right). The middle pane contains the list of modules currently available in Joomla. Beneath this pane, have two buttons side-by-side that are labeled "<<- Add" and "Add->>". Highlighting a module (or multiple modules) and clicking one of the buttons sends those modules either into the left or right pane. Modules in the right pane are hidden from users of that plan, and modules in the left pane are shown to users of that plan. Modules in the middle pane remain "unchanged" and therefore are either always shown or dependent on other plans. Beneath the left and right panes, have a "Remove" button that sends the highlighted module back to the middle pane.

Since this functionality does not exist and probably won't for a while, I cannot use CBSubs as I intended. This is unfortunate since it appears to be an excellent product in every other regard. Perhaps I'll re-visit it in the future, but for now, it's money I need back so I can find a different solution.