Sure that's a specific queue and I have no problem if the requirements are just one queue.
We know
rt.cpan.org very well, in fact Ian recently patched it and is one of the committers to it. However if the requirement is to add a bunch of functionality to make the list work in a much more interactive fashion then we may exceed the capabilities of the current install.
Hence the reason to spec out what we want/want to achieve first and then decide the route afterwards. I agree with you, if it is just a single queue to monitor then a single queue on an existing box works. If not then we have to look at either patching or unique install.
Either way we have to wait for what Ya'akov has conceived ;)