Actually quite a good alternative for Default UI spectrum visualization does exist - it's called Musical Spectrum.   When talking about Visualizations plugins, I recommend you to try Musical Spectrum (foo_musical_spectrum) plugin.   It's a really great visualization component for both...

When talking about Visualizations plugins, I recommend you to try (and add into Visualizations section under 1st post of this thread) Musical Spectrum (foo_musical_spectrum) plugin.   It's a really great visualization component for both: Default UI and Columns UI.  ...